libpurple in Pidgin before 2.2.1 does not properly handle MSN nudge messages from users who are not on the receiver's buddy list, which…

Description

libpurple in Pidgin before 2.2.1 does not properly handle MSN nudge messages from users who are not on the receiver's buddy list, which allows remote attackers to cause a denial of service (crash) via a nudge message that triggers an access of "an invalid memory location."

Scores

EPSS (exploitation in 30 days)

1.8% · top 22% of all CVEs (3 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (9)

• pidgin-msn-nudge-dos(36884) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• 27088 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 20071003 FLEA-2007-0057-1 pidgin (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• ADV-2007-3321 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• http://www.pidgin.im/news/security/?id=23 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 25872 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• FEDORA-2007-2368 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• oval:org.mitre.oval:def:18261 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• 27010 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2007-4996](https://trackcve.app/badge/CVE-2007-4996.svg)](https://trackcve.app/cve/CVE-2007-4996)

Record last updated 7 Aug 2024, 15:17 UTC.