BlackTreeIndependent security intelligence

Full vulnerability report · 2026

CVE-2026-32286High confidence

Denial of service in github.com/jackc/pgproto3/v2

github.com/jackc/pgproto3/v2 · github.com/jackc/pgproto3/v2

7.5HighCVSS 3.1

Recommended action

Within 7 days

High technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance.

Patch available

Distribution package intelligence

Ubuntu vendor package status

Canonical’s release and source-package findings are shown separately from local repository availability.

1 package state

Repository candidate not checked

A published vendor fix does not prove that a matching update is enabled and installable on a particular asset. Confirm the local package candidate before scheduling remediation.

Ubuntu release	Source package	Vendor state	Fixed version	Evidence
Ubuntu 24.04 LTSnoble · standard archive	`golang-github-jackc-pgproto3`	Under evaluationCanonical reports that the package might be affected and still needs evaluation or fixing.	`Not published in this feed`	Canonical record ↗Source updated 9 Sept 2026

Direct vendor intelligence

Authoritative vendor CSAF and VEX advisories

Structured product status and remediation from the issuing vendor. Product-state explanations are always visible; large lists can be searched or downloaded.

1 current

CVE-2026-32286 · CSAF 2.0 · revision 3 · finalRed Hat Product Securitygithub.com/jackc/pgproto3/v2: github.com/jackc/pgproto3/v2: Denial of Service via malicious PostgreSQL server

25 known affected

The vendor explicitly identifies these products as affected by this CVE.

rhai/assisted-installer-controller-rhel9 as a component of Assisted Installer for Red Hat OpenShift Container Platform 2
rhai/assisted-installer-rhel9 as a component of Assisted Installer for Red Hat OpenShift Container Platform 2
multicluster-engine/assisted-installer-agent-rhel8 as a component of Multicluster Engine for Kubernetes
multicluster-engine/assisted-installer-agent-rhel9 as a component of Multicluster Engine for Kubernetes
multicluster-engine/assisted-installer-controller-rhel8 as a component of Multicluster Engine for Kubernetes
multicluster-engine/assisted-installer-controller-rhel9 as a component of Multicluster Engine for Kubernetes
multicluster-engine/assisted-installer-rhel8 as a component of Multicluster Engine for Kubernetes
multicluster-engine/assisted-installer-rhel9 as a component of Multicluster Engine for Kubernetes
multicluster-engine/assisted-service-8-rhel8 as a component of Multicluster Engine for Kubernetes
multicluster-engine/assisted-service-9-rhel9 as a component of Multicluster Engine for Kubernetes
multicluster-engine/cluster-api-provider-aws-rhel9 as a component of Multicluster Engine for Kubernetes
rhacm2/acm-search-indexer-rhel9 as a component of Red Hat Advanced Cluster Management for Kubernetes 2

Summary: A flaw was found in the DataRow.Decode function within the github.com/jackc/pgproto3/v2 component. A malicious or compromised PostgreSQL server can exploit this by sending a DataRow message containing a negative field length. This improper validation of field lengths leads to a "slice bounds out of range panic", resulting in a Denial of Service (DoS) for the affected application.
Remediation: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current

ENISA EUVD identifier

EUVD-2026-16347

No EUVD known-exploited evidence

The DataRow.Decode function fails to properly validate field lengths. A malicious or compromised PostgreSQL server can send a DataRow message with a negative field length, causing a slice bounds out of range panic.

EUVD state: Present in the current official mapping
Known exploitation: Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score: 7.5 · CVSS 3.1
Advisory evidence: No linked advisory details stored yet

Recommended actionWithin 7 days

High technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance.

Patch available

What, why and how

What

Why

The product reads data past the end, or before the beginning, of the intended buffer.

How

An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

What

Why

The product reads data past the end, or before the beginning, of the intended buffer.

How

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation

Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.

No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material

Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.

Reference recorded

CISA Vulnrichment records proof-of-concept exploitation in its SSVC data. BlackTree has not independently executed or validated exploit material.

Likely attack path: a network path → Out-of-bounds Read → cause the confidentiality, integrity or availability impact described by the vendor
Attack surface: Network
Privileges required: None: unauthenticated exploitation is possible
User interaction: None
Attack complexity: Low: no specialised conditions are recorded
Security boundary: Unchanged: impact remains within the vulnerable component's security authority
Weakness ? CWE means Common Weakness Enumeration: a standard category for the underlying weakness.: CWE-125 ↗
CWE-125: Out-of-bounds Read. The product reads data past the end, or before the beginning, of the intended buffer.
CVSS vector ? CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.
AVNetworkAttack vector: The vulnerable component can be reached over a network.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRNonePrivileges required: The attacker does not need an account or existing privileges.UINoneUser interaction: No action by another user is required.SUnchangedScope: The security impact remains within the vulnerable component's authority.CNoneConfidentiality impact: No direct loss is represented by this metric.INoneIntegrity impact: No direct loss is represented by this metric.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land: No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.

NetworkUnauthenticatedCWE-125Public exploit reference

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

ENISA EUVD · EUVD-2026-16347Official EUVD mapping

Official EUVD record

CERT-FR · French · CERTFR-2026-AVI-1094Multiples vulnérabilités dans les produits IBM

d?id=CVE-2026-27601 Référence CVE CVE-2026-27903 https://www.cve.org/CVERecord?id=CVE-2026-27903 Référence CVE CVE-2026-27904 https://www.cve.org/CVERecord?id=CVE-2026-27904 Référence CVE CVE-2026-29786 https://www.cve.org/CVERecord?id=CVE-2026-29786 Référence CVE CVE-2026-31411 https://www.cve.org/CVERecord?id=CVE-2026-31411 Référence CVE CVE-2026-31419 https://www.cve.org/CVERecord?id=CVE-2026-31419 Référence CVE CVE-2026-31488 https://www.cve.org/CVERecord?id=CVE-2026-31488 Référence CVE CVE-2026-31692 https://www.cve.org/CVERecord?id=CVE-2026-31692 Référence CVE CVE-2026-31802 https://www.cve.org/CVERecord?id=CVE-2026-31802 Référence CVE CVE-2026-32286 https://www.cve.org/CVERecord?id=CVE-2026-32286 Référence CVE CVE-2026-3304 https://www.cve.org/CVERecord?id=CVE-2026-3304 Référence CVE CVE-2026-33227 https://www.cve.org/CVERecord?id=CVE-2026-33227 Référence CVE CVE-2026-33230 https://www.cve.org/CVERecord?id=CVE-2026-33230 Référence CVE CVE-2026-33231 https://www.cve.org/CVERecord?id=CVE-2026-33231 Référence CVE CVE-2026-33236 https://www.cve.org/CVERecord?id=CVE-2026-33236 Référence CVE CVE-2026-33416 https://www.cve.org/CVERecord?id=CVE-2026-33416 Référence CVE CVE-2026-33558 https://www.cve.org/CVERecord?id=CVE-2026-33558 Référence CVE CVE-2026-33671 https://www.cve.org/CVERecord?id=CV

Official advisory

CERT-FR · French · CERTFR-2026-AVI-0698Multiples vulnérabilités dans les produits IBM

Record?id=CVE-2026-2359 Référence CVE CVE-2026-24486 https://www.cve.org/CVERecord?id=CVE-2026-24486 Référence CVE CVE-2026-25645 https://www.cve.org/CVERecord?id=CVE-2026-25645 Référence CVE CVE-2026-25793 https://www.cve.org/CVERecord?id=CVE-2026-25793 Référence CVE CVE-2026-2581 https://www.cve.org/CVERecord?id=CVE-2026-2581 Référence CVE CVE-2026-26007 https://www.cve.org/CVERecord?id=CVE-2026-26007 Référence CVE CVE-2026-29063 https://www.cve.org/CVERecord?id=CVE-2026-29063 Référence CVE CVE-2026-2950 https://www.cve.org/CVERecord?id=CVE-2026-2950 Référence CVE CVE-2026-30951 https://www.cve.org/CVERecord?id=CVE-2026-30951 Référence CVE CVE-2026-32286 https://www.cve.org/CVERecord?id=CVE-2026-32286 Référence CVE CVE-2026-3304 https://www.cve.org/CVERecord?id=CVE-2026-3304 Référence CVE CVE-2026-33151 https://www.cve.org/CVERecord?id=CVE-2026-33151 Référence CVE CVE-2026-33532 https://www.cve.org/CVERecord?id=CVE-2026-33532 Référence CVE CVE-2026-33671 https://www.cve.org/CVERecord?id=CVE-2026-33671 Référence CVE CVE-2026-33672 https://www.cve.org/CVERecord?id=CVE-2026-33672 Référence CVE CVE-2026-33750 https://www.cve.org/CVERecord?id=CVE-2026-33750 Référence CVE CVE-2026-33870 https://www.cve.org/CVERecord?id=CVE-2026-33870 Référence CVE CVE-2026-33871 https://www.cve.org/CVERecord?id=CV

Official advisory

CERT-FR · French · CERTFR-2026-AVI-0556Multiples vulnérabilités dans les produits VMware

ord?id=CVE-2026-29129 Référence CVE CVE-2026-29145 https://www.cve.org/CVERecord?id=CVE-2026-29145 Référence CVE CVE-2026-30922 https://www.cve.org/CVERecord?id=CVE-2026-30922 Référence CVE CVE-2026-3219 https://www.cve.org/CVERecord?id=CVE-2026-3219 Référence CVE CVE-2026-32274 https://www.cve.org/CVERecord?id=CVE-2026-32274 Référence CVE CVE-2026-32280 https://www.cve.org/CVERecord?id=CVE-2026-32280 Référence CVE CVE-2026-32281 https://www.cve.org/CVERecord?id=CVE-2026-32281 Référence CVE CVE-2026-32282 https://www.cve.org/CVERecord?id=CVE-2026-32282 Référence CVE CVE-2026-32283 https://www.cve.org/CVERecord?id=CVE-2026-32283 Référence CVE CVE-2026-32286 https://www.cve.org/CVERecord?id=CVE-2026-32286 Référence CVE CVE-2026-32288 https://www.cve.org/CVERecord?id=CVE-2026-32288 Référence CVE CVE-2026-32289 https://www.cve.org/CVERecord?id=CVE-2026-32289 Référence CVE CVE-2026-32874 https://www.cve.org/CVERecord?id=CVE-2026-32874 Référence CVE CVE-2026-32875 https://www.cve.org/CVERecord?id=CVE-2026-32875 Référence CVE CVE-2026-3298 https://www.cve.org/CVERecord?id=CVE-2026-3298 Référence CVE CVE-2026-32990 https://www.cve.org/CVERecord?id=CVE-2026-32990 Référence CVE CVE-2026-33186 https://www.cve.org/CVERecord?id=CVE-2026-33186 Référence CVE CVE-2026-33230 https://www.cve.org/CVERecord?id=CV

Official advisory

Patch and workaround

Operational remediation based on structured source evidence.

Status ? Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.: Patch available
Affected: rhai/assisted-installer-controller-rhel9 as a component of Assisted Installer for Red Hat OpenShift Container Platform 2; rhai/assisted-installer-rhel9 as a component of Assisted Installer for Red Hat OpenShift Container Platform 2; multicluster-engine/assisted-installer-agent-rhel8 as a component of Multicluster Engine for Kubernetes; multicluster-engine/assisted-installer-agent-rhel9 as a component of Multicluster Engine for Kubernetes; multicluster-engine/assisted-installer-controller-rhel8 as a component of Multicluster Engine for Kubernetes; multicluster-engine/assisted-installer-controller-rhel9 as a component of Multicluster Engine for Kubernetes; multicluster-engine/assisted-installer-rhel8 as a component of Multicluster Engine for Kubernetes; multicluster-engine/assisted-installer-rhel9 as a component of Multicluster Engine for Kubernetes; multicluster-engine/assisted-service-8-rhel8 as a component of Multicluster Engine for Kubernetes; multicluster-engine/assisted-service-9-rhel9 as a component of Multicluster Engine for Kubernetes; multicluster-engine/cluster-api-provider-aws-rhel9 as a component of Multicluster Engine for Kubernetes; rhacm2/acm-search-indexer-rhel9 as a component of Red Hat Advanced Cluster Management for Kubernetes 2; rhacm2/acm-search-v2-api-rhel9 as a component of Red Hat Advanced Cluster Management for Kubernetes 2; osbuild-composer as a component of Red Hat Enterprise Linux 8; osbuild-composer-core as a component of Red Hat Enterprise Linux 8; osbuild-composer-dnf-json as a component of Red Hat Enterprise Linux 8; osbuild-composer-worker as a component of Red Hat Enterprise Linux 8; osbuild-composer.src as a component of Red Hat Enterprise Linux 8; rhoai/odh-data-science-pipelines-argo-argoexec-rhel9 as a component of Red Hat OpenShift AI (RHOAI); rhoai/odh-data-science-pipelines-argo-workflowcontroller-rhel9 as a component of Red Hat OpenShift AI (RHOAI); ocm-cli-clients/ocm-cli-rhel9 as a component of Red Hat OpenShift Cluster Manager CLI; rosa.src as a component of Red Hat OpenShift on AWS; quay/clair-rhel8 as a component of Red Hat Quay 3; quay/quay-operator-rhel8 as a component of Red Hat Quay 3; quay/quay-operator-rhel9 as a component of Red Hat Quay 3
Fixed: osbuild-composer-0:165.1-2.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-0:165.1-2.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-0:165.1-2.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-0:165.1-2.el10_2.src as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-0:165.1-2.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-core-0:165.1-2.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-core-0:165.1-2.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-core-0:165.1-2.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-core-0:165.1-2.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-core-debuginfo-0:165.1-2.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-core-debuginfo-0:165.1-2.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-core-debuginfo-0:165.1-2.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-core-debuginfo-0:165.1-2.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-debuginfo-0:165.1-2.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-debuginfo-0:165.1-2.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-debuginfo-0:165.1-2.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-debuginfo-0:165.1-2.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-debugsource-0:165.1-2.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-debugsource-0:165.1-2.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-debugsource-0:165.1-2.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-debugsource-0:165.1-2.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-tests-debuginfo-0:165.1-2.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-tests-debuginfo-0:165.1-2.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-tests-debuginfo-0:165.1-2.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-tests-debuginfo-0:165.1-2.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-worker-0:165.1-2.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-worker-0:165.1-2.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-worker-0:165.1-2.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-worker-0:165.1-2.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); osbuild-composer-worker-debuginfo-0:165.1-2.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); and 101 more
Action: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
Workaround: A mitigation or workaround reference is available from the source linked below; validate it against the affected product and version.

Evidence and provenance

Published 26 Mar 2026 · Last source change 10 Sept 2026, 12:05 UTC · CWE-125 · Out-of-bounds Read

CVE recordCVE.org · 5.2

CVSS sourceCISA ADP

EPSS source

The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.

FIRST · tracked since 2026-08-14

European sourceENISA EUVD · EUVD-2026-16347

Product sourceVendor CSAF · Red Hat Product Security

Remediation sourceVendor CSAF · Red Hat Product Security

CWE sourceCNA

NVD statusNVD modified after enrichment

Core structured fields are present and their contributing authorities are shown above.

Material change intelligence

What changed after publication

View recent updates →

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

2026-03-26CVE published

2026-09-10Fixed release or patch reference recorded

ENISA EUVD · EUVD-2026-16347↗Vendor CSAF · Red Hat Product Security↗CISA Vulnrichment SSVC evidence↗Patch or update reference↗Mitigation reference↗CVE authority or vendor reference↗Official CVE record (CNA and ADP data)↗NVD record↗

Technical terms and abbreviations used in this report

CVE: Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS: Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS: Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE: Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA: CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP: Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD: National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT: A computer security incident response team that publishes warnings or coordinates incident response.
PoC: Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF: Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL: Living off the land: abuse of legitimate tools or system functions during an attack.

Denial of service in github.com/jackc/pgproto3/v2

National CERT insights ?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

EUVD-2026-16347

What, why and how

Exploit reality and attack path

Official authority intelligence

Patch and workaround

Evidence and provenance

National CERT insights
?
CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.