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Fencer Intel
medium 4.7

CVE-2026-81893 json

Gdk-pixbuf: gdk-pixbuf: invalid write in jpeg icc profile parser on error recovery

published 2mo ago modified 6d ago also EUVD-2026-67217

cvss
4.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 4%
public exploits
0
none known

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. To exploit this flaw, an application using gdk-pixbuf must process the malicious JPEG image.

Affected version >= 2.26.4

Patch / fix

  • gdk-pixbuf Debian 14 2.44.8+dfsg-1

debian advisories DEBIAN-CVE-2026-81893

  • gdk-pixbuf2 Azure Linux 3.0 2.42.10-6

azure linux advisories AZL-98370

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-81893 updated cvss 4.7

gdk-pixbuf: gdk-pixbuf: invalid write in JPEG ICC profile parser on error recovery

  • Red Hat Enterprise Linux 7 gdk-pixbuf2, gdk-pixbuf2-tests Red Hat Enterprise Linux 8 gdk-pixbuf2, gdk-pixbuf2-xlib, gdk-pixbuf2-modules Red Hat Enterprise Linux 9 gdk-pixbuf2, gdk-pixbuf2-modules Red Hat Enterprise Linux 10 gdk-pixbuf2
    affected: workaround, no fix available “Avoid opening or automatically indexing untrusted JPEG images with applications linked against a vulnerable gdk-pixbuf version until an updated package is installed.”
  • Red Hat Enterprise Linux 6 gdk-pixbuf2 Red Hat Enterprise Linux 10 loupe, snapshot, glycin-loaders
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2mo ago

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 4.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

  • Red Hat Red Hat Enterprise Linux 10
  • Red Hat Red Hat Enterprise Linux 6
  • Red Hat Red Hat Enterprise Linux 7
  • Red Hat Red Hat Enterprise Linux 8
  • Red Hat Red Hat Enterprise Linux 9

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.