CVE-2026-40917: Out-of-bounds Read in Red Hat Red Hat Enterprise Linux 6
A flaw was found in GIMP. This vulnerability, a heap buffer over-read in the `icns_slurp()` function, occurs when processing specially crafted ICNS image files. An attacker could provide a malicious ICNS file, potentially leading to application crashes or information disclosure on systems that process such files.
AI Analysis
Technical Summary
CVE-2026-40917 is a heap buffer over-read vulnerability in the icns_slurp() function of GIMP on Red Hat Enterprise Linux 6. It is triggered by processing maliciously crafted ICNS image files, which can lead to application crashes or information disclosure. The vulnerability has a CVSS 3.1 base score of 5.0 (medium severity) with attack vector local, low attack complexity, low privileges required, and requires user interaction. There is no vendor advisory content indicating the availability of a patch or mitigation at this time.
Potential Impact
Successful exploitation may cause application crashes or leak information due to heap buffer over-read when processing crafted ICNS files. The impact does not include confidentiality or integrity loss according to the CVSS vector, but availability is affected (application crashes).
Mitigation Recommendations
Patch status is not yet confirmed — check the Red Hat advisory at https://access.redhat.com/security/cve/CVE-2026-40917 for current remediation guidance. Until an official fix is available, avoid processing untrusted ICNS image files with GIMP on affected systems.
CVE-2026-40917: Out-of-bounds Read in Red Hat Red Hat Enterprise Linux 6
Description
A flaw was found in GIMP. This vulnerability, a heap buffer over-read in the `icns_slurp()` function, occurs when processing specially crafted ICNS image files. An attacker could provide a malicious ICNS file, potentially leading to application crashes or information disclosure on systems that process such files.
CVSS v3.1
Score 5.0medium
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-40917 is a heap buffer over-read vulnerability in the icns_slurp() function of GIMP on Red Hat Enterprise Linux 6. It is triggered by processing maliciously crafted ICNS image files, which can lead to application crashes or information disclosure. The vulnerability has a CVSS 3.1 base score of 5.0 (medium severity) with attack vector local, low attack complexity, low privileges required, and requires user interaction. There is no vendor advisory content indicating the availability of a patch or mitigation at this time.
Potential Impact
Successful exploitation may cause application crashes or leak information due to heap buffer over-read when processing crafted ICNS files. The impact does not include confidentiality or integrity loss according to the CVSS vector, but availability is affected (application crashes).
Mitigation Recommendations
Patch status is not yet confirmed — check the Red Hat advisory at https://access.redhat.com/security/cve/CVE-2026-40917 for current remediation guidance. Until an official fix is available, avoid processing untrusted ICNS image files with GIMP on affected systems.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- redhat
- Date Reserved
- 2026-04-15T18:38:30.106Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2026-40917","vendor":"Red Hat"}]
Threat ID: 69dfe7b682d89c981f913c4e
Added to database: 04/15/2026, 19:32:06 UTC
Last enriched: 07/02/2026, 21:01:41 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 125
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