Evidence used
- No CISA KEV confirmation is currently recorded.
- A structured source references public exploit or proof-of-concept material.
- EPSS is 0.49% for the current model date.
BlackTreeCVE IntelligenceFull vulnerability report · 2026
CVE-2026-59087High confidence
Gimp: heap buffer overflow in `file-seattle-filmworks` load — `fread` writes attacker-controlled length into undersized allocation
Unknown · Unknown
7.8HighCVSS 3.1
Patch only the product branches with a verified fix
Fix availability varies by productHigh technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 6 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.
R
Open reassessment dashboard →Operational reassessment
Published severity in operational context
Published severityHigh→Operational priority:High, unchanged from published severity.unchanged
Compensating controls
- Apply the linked authoritative mitigation while planning the permanent fix.
- Restrict local access and enforce least privilege on affected hosts.
- Increase monitoring for the attack path and post-exploitation behaviour described in the report.
Verification
- Confirm that the asset runs Unknown Unknown and falls inside the recorded affected range.
- Recheck the vendor advisory before scheduling a change because no verified fixed version is currently retained.
- Validate exposure, authentication requirements and compensating controls in the actual environment.
- Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Remediation availability differs by product scope
Verified remediation exists for at least one product or source, but 6 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.
- Red Hat Product Security: 6 affected or under-investigation product states without a fixed product state in the same current advisory
Distribution package intelligence
5 package statesRelease-specific package status
Debian, ubuntu findings are scoped to the named distribution, release and source package. An absent finding does not mean a package is unaffected.
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 release | Source package | Vendor state | Fixed version | Evidence |
|---|---|---|---|---|
| Debian trixietrixie · source | gimp | Not affectedDebian marks this release not affected (fixed-version marker 0). | Not published in this feed | Debian Security Tracker ↗Source updated 6 Oct 2026 |
| Debian bookwormbookworm · source | gimp | Not affectedDebian marks this release not affected (fixed-version marker 0). | Not published in this feed | Debian Security Tracker ↗Source updated 6 Oct 2026 |
| Debian forkyforky · source | gimp | Vendor fix publishedDebian records a fixed source-package version for this release. | 3.2.6-1 | Debian Security Tracker ↗Source updated 6 Oct 2026 |
| Debian sidsid · source | gimp | Vendor fix publishedDebian records a fixed source-package version for this release. | 3.2.6-1 | Debian Security Tracker ↗Source updated 6 Oct 2026 |
| Ubuntu 24.04 LTSnoble · esm-apps | gimp | Under evaluationCanonical reports that the package might be affected and still needs evaluation or fixing. | Not published in this feed | Canonical Ubuntu Security ↗Source updated 5 Oct 2026 |
Direct vendor intelligence
1 currentAuthoritative 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.
CVE-2026-59087 · CSAF 2.0 · revision 3 · finalRed Hat Product Securitygimp: Heap buffer overflow in `file-seattle-filmworks` load — `fread` writes attacker-controlled length into undersized allocation
The vendor explicitly identifies these products as affected by this CVE.
- gimp as a component of Red Hat Enterprise Linux 6
- gimp-devel as a component of Red Hat Enterprise Linux 6
- gimp-devel-tools as a component of Red Hat Enterprise Linux 6
- gimp-help-browser as a component of Red Hat Enterprise Linux 6
- gimp-libs as a component of Red Hat Enterprise Linux 6
- gimp.src as a component of Red Hat Enterprise Linux 6
- Summary
- A flaw was found in the GIMP image manipulation program, specifically within its Seattle Filmworks file loader. A remote attacker could exploit this vulnerability by tricking a user into opening a specially crafted Seattle Filmworks file. This could lead to a heap overflow, allowing the attacker to write several kilobytes of controlled data beyond the intended memory buffer. Such an overflow can result in memory corruption, potentially leading to arbitrary code execution or a denial of service.
- Remediation
- To mitigate this vulnerability, users should avoid opening Seattle Filmworks (.sfw) files from untrusted sources within the GIMP application. As a general security practice, exercise caution when handling any unsolicited or suspicious files.
High technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 6 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.
Fix availability varies by product01
What, why and how
A flaw was found in the GIMP image manipulation program, specifically within its Seattle Filmworks file loader. A remote attacker could exploit this vulnerability by tricking a user into opening a specially crafted Seattle Filmworks file. This could lead to a heap overflow, allowing the attacker to write several kilobytes of controlled data beyond the intended memory buffer. Such an overflow can result in memory corruption, potentially leading to arbitrary code execution or a denial of service.
What
A flaw was found in the GIMP image manipulation program, specifically within its Seattle Filmworks file loader. A remote attacker could exploit this vulnerability by tricking a user into opening a specially crafted Seattle Filmworks file. This could lead to a heap overflow, allowing the attacker to write several kilobytes of controlled data beyond the intended memory buffer. Such an overflow can result in memory corruption, potentially leading to arbitrary code execution or a denial of service.
Why
A bounds error lets data be written beyond the intended memory region, potentially corrupting control data.
How
An attacker operating through local access may attempt exploitation without authentication after a user interaction. If successful, the issue may execute code or commands in the affected security context.
What
A flaw was found in the GIMP image manipulation program, specifically within its Seattle Filmworks file loader. A remote attacker could exploit this vulnerability by tricking a user into opening a specially crafted Seattle Filmworks file. This could lead to a heap overflow, allowing the attacker to write several kilobytes of controlled data beyond the intended memory buffer. Such an overflow can result in memory corruption, potentially leading to arbitrary code execution or a denial of service.
Why
A bounds error lets data be written beyond the intended memory region, potentially corrupting control data.
How
An attacker operating through local access may attempt exploitation without authentication after a user interaction. If successful, the issue may execute code or commands in the affected security context.
02
Exploit reality and attack path
CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.
Observed exploitation No confirmed evidence
?
Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.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 Reference recorded
?
Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.A structured CVE source labels at least one public reference as exploit material. BlackTree has not independently validated that it is safe, reliable or weaponised.
- Likely attack path
- local access → Out-of-bounds Write → execute code or commands in the affected security context
- Attack surface
- Local
- 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-787 ↗
CWE-787: Out-of-bounds Write. The product writes 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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCommon Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.
AVLocalAttack vector: The attacker needs local access to the vulnerable system.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
- After compromise, an attacker may use built-in shells, scripting engines, scheduled tasks and native network utilities for discovery, persistence or movement. This is a plausible LoTL path, not evidence that it has occurred for every attack.
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
- gimp as a component of Red Hat Enterprise Linux 6
- gimp-devel as a component of Red Hat Enterprise Linux 6
- gimp-devel-tools as a component of Red Hat Enterprise Linux 6
- gimp-help-browser as a component of Red Hat Enterprise Linux 6
- gimp-libs as a component of Red Hat Enterprise Linux 6
- gimp.src as a component of Red Hat Enterprise Linux 6
- 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
- To mitigate this vulnerability, users should avoid opening Seattle Filmworks (.sfw) files from untrusted sources within the GIMP application. As a general security practice, exercise caution when handling any unsolicited or suspicious files.
Official vendor articles1 stored document
Linked articles are downloaded and versioned as source evidence. A CVE mention or approved update relationship does not, by itself, verify a fix for every product branch.
- CVE-2026-59087 - Red Hat Customer Portal →Original publisher ↗Searchable text snapshot · Captured 28 Sep 2026CVE-2026-59087 Description A flaw was found in the GIMP image manipulation program, specifically within its Seattle Filmworks file loader. A remote attacker could exploit this vulnerability by tricking a user into opening a specially crafted Seattle Filmworks file. This could lead to a heap overflow, allowing the attac
04
Evidence and provenance
Published 10 Aug 2026 · Last source change 24 Aug 2026, 17:11 UTC · CWE-787 · Out-of-bounds Write
CVE recordCVE.org · 5.2
CVSS sourceCNA
EPSS source FIRST · tracked since 2026-08-14
?
The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.European sourceENISA EUVD · EUVD-2026-55165
Product sourceVendor CSAF · Red Hat Product Security
Remediation sourceVendor CSAF · Red Hat Product Security
CWE sourceCNA
NVD statusNVD enriched
Missing structured fields: affected product. Missing data is not evidence of low risk; review the primary advisory.
Material change intelligence
View recent updates ↗What changed after publication
- Affected versionsThe structured affected or fixed version information changed.Red Hat Product Security ↗
- Before
- gimp as a component of Red Hat Enterprise Linux 6; gimp-devel as a component of Red Hat Enterprise Linux 6; gimp-devel-tools as a component of Red Hat Enterprise Linux 6; gimp-help-browser as a component of Red Hat Enterprise Linux 6; gimp-libs as a component of Red Hat Enterprise Linux 6; gimp.src as a component of Red Hat Enterprise Linux 6; gimp as a component of Red Hat Enterprise Linux 7; gimp-devel as a component of Red Hat Enterprise Linux 7; gimp-devel-tools as a component of Red Hat Enterprise Linux 7; gimp-libs as a component of Red Hat Enterprise Linux 7; gimp.src as a component of Red Hat Enterprise Linux 7; gimp as a component of Red Hat Enterprise Linux 8; gimp-devel as a component of Red Hat Enterprise Linux 8; gimp-devel-tools as a component of Red Hat Enterprise Linux 8; gimp-libs as a component of Red Hat Enterprise Linux 8; gimp.src as a component of Red Hat Enterprise Linux 8; pygobject2 as a component of Red Hat Enterprise Linux 8; pygobject2-codegen as a component of Red Hat Enterprise Linux 8; pygobject2-devel as a component of Red Hat Enterprise Linux 8; pygobject2-doc as a component of Red Hat Enterprise Linux 8; pygobject2.src as a component of Red Hat Enterprise Linux 8; pygtk2 as a component of Red Hat Enterprise Linux 8; pygtk2-codegen as a component of Red Hat Enterprise Linux 8; pygtk2-devel as a component of Red Hat Enterprise Linux 8; pygtk2-doc as a component of Red Hat Enterprise Linux 8; pygtk2.src as a component of Red Hat Enterprise Linux 8; python2-cairo as a component of Red Hat Enterprise Linux 8; python2-cairo-devel as a component of Red Hat Enterprise Linux 8; python2-pycairo.src as a component of Red Hat Enterprise Linux 8; gimp as a component of Red Hat Enterprise Linux 9; and 2 more
- After
- gimp as a component of Red Hat Enterprise Linux 6; gimp-devel as a component of Red Hat Enterprise Linux 6; gimp-devel-tools as a component of Red Hat Enterprise Linux 6; gimp-help-browser as a component of Red Hat Enterprise Linux 6; gimp-libs as a component of Red Hat Enterprise Linux 6; gimp.src as a component of Red Hat Enterprise Linux 6
- Affected versionsThe structured affected or fixed version information changed.CNA ↗
- Before
- See the vendor and CVE records for the affected range. · Fixed: No fixed version is explicitly recorded in the structured CVE data.
- After
- 3.2.4 · Fixed: No fixed version is explicitly recorded in the structured CVE data.
- Vendor guidanceAuthoritative vendor guidance changed: added mitigation: gitlab.gnome.org/16491; added remediation: gitlab.gnome.org/16491; 2 further additions.secalert@redhat.com ↗
- Before
- no authoritative guidance recorded
- After
- mitigation: gitlab.gnome.org/16491 · remediation: gitlab.gnome.org/16491 · vendor advisory: access.redhat.com/CVE-2026-59087 · 1 more references
- Remediation statusRemediation status changed from Awaiting fix to Mitigation available.secalert@redhat.com ↗
- Before
- Awaiting fix
- After
- Mitigation available
- Public exploit evidencePublic exploit evidence changed from No public exploit to Public exploit reference.gitlab.gnome.org ↗
- Before
- No public exploit
- After
- Public exploit reference
CVE published
Mitigation reference recorded
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.