Use-after-free vulnerability in the create_smp_dialog function in gtk-dialog.c in the…
Priority MEDIUM 52Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
Use-after-free vulnerability in the create_smp_dialog function in gtk-dialog.c in the Off-the-Record Messaging (OTR) pidgin-otr plugin before 4.0.2 for Pidgin allows remote attackers to execute arbitrary code via vectors related to the "Authenticate buddy" menu item.
Why it matters now
EPSS 0.07032 94th 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
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cypherpunks:pidgin-otr:*:*:*:*:*:*:*:* | up to 4.0.1 | Vulnerable | Cypherpunks |
- cpe:2.3:a:cypherpunks:pidgin-otr:*:*:*:*:*:*:*:* Versions up to 4.0.1 Vulnerable ·Cypherpunks
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2015-8833
- 2026-10-03 Alias added: GHSA-r9f9-6pf9-r2c4
References
Other 7
- [OTR-users] 20160309 New releases of libotr (4.1.1) and pidgin-otr (4.0.2) available
- https://bugs.otr.im/projects/pidgin-otr/repository/revisions/aaf551b9dd5cbba8c4abaa3d4dc7ead860efef94
- https://bugs.otr.im/issues/128
- https://bugs.otr.im/issues/88
- https://blog.fuzzing-project.org/39-Heap-use-after-free-in-Pidgin-OTR-plugin-CVE-2015-8833.html
- [oss-security] 20160309 Re: Heap use after free in Pidgin-OTR plugin
- [oss-security] 20160309 Heap use after free in Pidgin-OTR plugin
More Cypherpunks Pidgin-otr vulnerabilities
- TI-2012-02098 Format string vulnerability in the log_message_cb function in otr-plugin.c in the… CVSS 2.0HIGH 7.5
Sources
- CVE-2015-8833 · CVE Program
- CVE-2015-8833 · NVD
- FIRST EPSS
- GHSA-r9f9-6pf9-r2c4 · GitHub Advisory Database · CC BY 4.0
- CVE-2015-8833 · 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