libpurple in Pidgin before 2.2.1 does not properly handle MSN nudge messages from users…
Priority LOW 24Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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."
Why it matters now
EPSS 0.01761 78th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2007-4996
- 2026-10-03 Alias added: GHSA-r9v7-jgpj-m4mq
References
More Pidgin vulnerabilities
- TI-2019-15597 Pidgin 2.13.0 Denial of Service via Malformed Username CVSS 4.0MEDIUM 6.9
- TI-2009-02576 The msn_slplink_process_msg function in libpurple/protocols/msn/slplink.c in libpurple… CVSS 2.0HIGH 10.0
- TI-2013-05439 The SIMPLE protocol functionality in Pidgin before 2.10.8 allows remote attackers to have… CVSS 2.0HIGH 10.0
- TI-2009-01309 Multiple integer overflows in the msn_slplink_process_msg functions in the MSN protocol… CVSS 2.0HIGH 9.3
- TI-2017-01890 Out-of-bounds write in pidgin CVSS 3.0CRITICAL 9.8
- TI-2011-02815 gtkutils.c in Pidgin before 2.10.0 on Windows allows user-assisted remote attackers to… CVSS 2.0HIGH 9.3
Sources
- CVE-2007-4996 · CVE Program
- CVE-2007-4996 · NVD
- FIRST EPSS
- GHSA-r9v7-jgpj-m4mq · GitHub Advisory Database · CC BY 4.0
- CVE-2007-4996 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences