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Full vulnerability report · 2023
CVE-2023-1530High confidence

Use after free in PDF in Google Chrome prior to 111.0.5563.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page

Google · Chrome

Official source article: Siemens SSA-137900 ↗. Check the applicable product and release in the original source.

8.8HighCVSS 3.1
Recommended action
Patch only the product branches with a verified fix

High technical severity; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 1 structured product or package state remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Fix availability varies by product
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityHighOperational priority:High, unchanged from published severity.unchanged

Evidence used

  • No CISA KEV confirmation is currently recorded.
  • EPSS is 0.82% for the current model date.

Compensating controls

  • Validate the affected product branch and deploy the verified fixed release.
  • Restrict the affected network interface to trusted sources where business-safe.
  • Monitor vendor guidance and exploitation sources for a material change.

Verification

  1. Confirm that the asset runs Google Chrome and falls inside the recorded affected range.
  2. Verify the installed build against the product-specific fixed version after deployment.
  3. Validate exposure, authentication requirements and compensating controls in the actual environment.
  4. Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Mitigation target: Within 30 daysRemediation target: Within 180 days

This automated reassessment organises public evidence. It does not know asset exposure, business impact or control effectiveness and does not replace CVSS or a human risk decision.

Cross-source reconciliation

Remediation availability differs by product scope

Verified remediation exists for at least one product or source, but 1 structured product or package state remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Distribution package intelligence

Release-specific package status

Alpine, Debian findings are scoped to the named distribution, release and source package. An absent finding does not mean a package is unaffected.

7 package states
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.

Distribution releaseSource packageVendor stateFixed versionEvidence
Alpine v3.23v3.23 · communityqt5-qtwebengineVendor fix publishedAlpine records a security fix at this version. An absent entry does not mean the package is unaffected.5.15.13-r0Alpine Security Database ↗Source updated 11 Sep 2026
Alpine v3.22v3.22 · communityqt5-qtwebengineVendor fix publishedAlpine records a security fix at this version. An absent entry does not mean the package is unaffected.5.15.13-r0Alpine Security Database ↗Source updated 11 Sep 2026
Alpine v3.21v3.21 · communityqt5-qtwebengineVendor fix publishedAlpine records a security fix at this version. An absent entry does not mean the package is unaffected.5.15.13-r0Alpine Security Database ↗Source updated 19 Aug 2026
Debian trixietrixie · sourcechromiumVendor fix publishedDebian records a fixed source-package version for this release.111.0.5563.110-1Debian Security Tracker ↗Source updated 5 Oct 2026
Debian bookwormbookworm · sourcechromiumVendor fix publishedDebian records a fixed source-package version for this release.111.0.5563.110-1Debian Security Tracker ↗Source updated 5 Oct 2026
Debian forkyforky · sourcechromiumVendor fix publishedDebian records a fixed source-package version for this release.111.0.5563.110-1Debian Security Tracker ↗Source updated 5 Oct 2026
Debian sidsid · sourcechromiumVendor fix publishedDebian records a fixed source-package version for this release.111.0.5563.110-1Debian Security Tracker ↗Source updated 5 Oct 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
SSA-137900 · CSAF 2.0 · revision 1 · finalSiemens ProductCERTSSA-137900: Multiple Vulnerabilities in COMOS
1 known affected

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

  • COMOS
Summary
Use after free in PDFium library used in COMOS allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Remediation
Update to V10.4.4 or later version
Optional official sources

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

Choose official national sources for this report. Each advisory shows its original language. Your selection is remembered on this device and included in shared links.

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-2023-23774

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

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
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionPatch only the product branches with a verified fix

High technical severity; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 1 structured product or package state remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Fix availability varies by product
01

What, why and how

Use after free in PDF in Google Chrome prior to 111.0.5563.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

What

Use after free in PDF in Google Chrome prior to 111.0.5563.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Why

The program can continue using memory after it has been released, producing unsafe and attacker-influenceable behaviour.

How

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

What

Use after free in PDF in Google Chrome prior to 111.0.5563.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Why

The program can continue using memory after it has been released, producing unsafe and attacker-influenceable behaviour.

How

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

02

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.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
a network path → Use After Free → cause the confidentiality, integrity or availability impact described by the vendor
Attack surface
Network
Privileges required
None: unauthenticated exploitation is possible
User interaction
Required interaction required
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-416 ↗

CWE-416: Use After Free. The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory belongs to the code that operates on the new pointer.

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:R/S:U/C:H/I:H/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.UIRequiredUser interaction: Another user must perform an action for exploitation to succeed.SUnchangedScope: The security impact remains within the vulnerable component's authority.CHighConfidentiality impact: A successful attack can cause a major loss.IHighIntegrity impact: A successful attack can cause a major loss.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-416
A

Official authority intelligence

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

BSI · German · WID-SEC-2023-0715Google Chrome und Microsoft Edge: Mehrere Schwachstellen

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Google Chrome und Microsoft Edge ausnutzen, um beliebigen Programmcode auszuführen oder Informationen offenzulegen.

Official advisory ↗
Cyber Security Agency of Singapore · English · CSA-SB-20230322Security Bulletin 22 Mar 2023

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 22 Mar 2023, published on 22 March 2023. Open the linked bulletin for the product, severity and reference information published in that issue.

Official advisory ↗
CERT-FR · French · CERTFR-2023-AVI-0935Multiples vulnérabilités dans les produits Siemens

rg/CVERecord?id=CVE-2022-4304 Référence CVE CVE-2022-4450 https://www.cve.org/CVERecord?id=CVE-2022-4450 Référence CVE CVE-2022-44792 https://www.cve.org/CVERecord?id=CVE-2022-44792 Référence CVE CVE-2022-44793 https://www.cve.org/CVERecord?id=CVE-2022-44793 Référence CVE CVE-2022-47522 https://www.cve.org/CVERecord?id=CVE-2022-47522 Référence CVE CVE-2023-0216 https://www.cve.org/CVERecord?id=CVE-2023-0216 Référence CVE CVE-2023-0217 https://www.cve.org/CVERecord?id=CVE-2023-0217 Référence CVE CVE-2023-0401 https://www.cve.org/CVERecord?id=CVE-2023-0401 Référence CVE CVE-2023-0933 https://www.cve.org/CVERecord?id=CVE-2023-0933 Référence CVE CVE-2023-1530 https://www.cve.org/CVERecord?id=CVE-2023-1530 Référence CVE CVE-2023-21808 https://www.cve.org/CVERecord?id=CVE-2023-21808 Référence CVE CVE-2023-22669 https://www.cve.org/CVERecord?id=CVE-2023-22669 Référence CVE CVE-2023-22670 https://www.cve.org/CVERecord?id=CVE-2023-22670 Référence CVE CVE-2023-24895 https://www.cve.org/CVERecord?id=CVE-2023-24895 Référence CVE CVE-2023-24897 https://www.cve.org/CVERecord?id=CVE-2023-24897 Référence CVE CVE-2023-24936 https://www.cve.org/CVERecord?id=CVE-2023-24936 Référence CVE CVE-2023-2567 https://www.cve.org/CVERecord?id=CVE-2023-2567 Référence CVE CVE-2023-2650 https://www.cve.org/CVERecord?id=CVE-

Official advisory ↗
CERT-FR · French · CERTFR-2023-AVI-0262Multiples vulnérabilités dans les produits Microsoft

De multiples vulnérabilités ont été découvertes dans les produits Microsoft. Certaines d'entre elles permettent à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur, un contournement de la politique de sécurité et une atteinte à la confidentialité des données.

Official advisory ↗
CERT-FR · French · CERTFR-2023-AVI-0251Multiples vulnérabilités dans Google Chrome

De multiples vulnérabilités ont été découvertes dans Google Chrome. Elles permettent à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur.

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2023-005617Google の Google Chrome 他複数ベンダの製品における解放済みメモリの使用に関する脆弱性

Google の Google Chrome 他複数ベンダの製品には、解放済みメモリの使用に関する脆弱性が存在します。

Official advisory ↗
03

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.
Fix availability varies by product
Affected
COMOS
Fixed
Update to V10.4.4 or later version
Action
Use the product-specific evidence above. Patch only products with a verified fixed release, and keep every affected or under-investigation state without a matching fix in the remediation queue.
Workaround
No verified workaround is recorded. If business-safe, reduce exposure to the affected interface and allow only trusted sources until authoritative guidance is available.
04

Evidence and provenance

Published 21 Mar 2023 · Last source change 5 May 2025, 16:06 UTC · CWE-416 · Use After Free

CVE recordCVE.org · 5.1
CVSS sourceNIST NVD
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-2023-23774
Product sourceVendor CSAF · Siemens ProductCERT
Remediation sourceVendor CSAF · Siemens ProductCERT
CWE sourceCISA ADP
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 ↗
  1. Affected versionsThe structured affected or fixed version information changed.
    Before
    111.0.5563.110 < 111.0.5563.110 · Fixed: No fixed version is explicitly recorded in the structured CVE data.
    After
    111.0.5563.110 < 111.0.5563.110 · Fixed: Update to V10.4.4 or later version
    Siemens ProductCERT ↗
  2. Remediation statusRemediation status changed from Awaiting fix to Patch available.
    Before
    Awaiting fix
    After
    Patch available
    Siemens ProductCERT ↗
Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
Fixed release recorded from official guidance
ENISA EUVD · EUVD-2023-23774↗Siemens ProductCERT security advisory · Siemens SSA-137900↗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.
Free version - for non-commercial use only.CVE-2023-1530 · cve.blacktree.nl