Medium [CVE-2026-81893] Gdk-pixbuf: gdk-pixbuf: invalid write in jpeg icc profile parser on error recovery
This medium-severity Red Hat Linux advisory covers CVE-2026-81893 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8.
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Summary
A flaw was found in gdk-pixbuf. When loading a specially crafted JPEG image containing chunked ICC profile markers, an error during ICC profile parsing can leave stale size metadata after the profile buffer is freed.
A subsequent allocation in the same decode can cause an out-of-bounds write, potentially crashing the application. Affected version >= 2.26.4 Red Hat Product Security has rated this issue as having Moderate security impact.
Red Hat severity: Moderate — CVSS 4.7 (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H). Weakness: CWE-787.
Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9. Red Hat does not currently list a fixing RHSA for this CVE.
Affected products named by the advisory: Red Hat package: gdk-pixbuf2-devel; Red Hat package: gdk-pixbuf2-modules; Red Hat package: gdk-pixbuf2.src; Red Hat package: gdk-pixbuf2-tests; and 1 more.
Affected products named by the advisory: Red Hat package: gdk-pixbuf2-xlib-devel.
- 2.26.4
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- Avoid opening or automatically indexing untrusted JPEG images with applications linked against a vulnerable gdk-pixbuf version until an updated package is installed.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
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