CVE-2015-8833
9.8
CRITICAL · CVSS 3.0 · EPSS 7% (pctl 94)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 7.03% — more likely to be exploited than 94% of all CVEs |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2016-04-12 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| cypherpunks | pidgin-otr |
References
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00095.html
- http://lists.opensuse.org/opensuse-updates/2016-03/msg00109.html
- http://www.debian.org/security/2016/dsa-3528
- http://www.openwall.com/lists/oss-security/2016/03/09/13
- http://www.openwall.com/lists/oss-security/2016/03/09/8
- http://www.securityfocus.com/bid/84295
- https://blog.fuzzing-project.org/39-Heap-use-after-free-in-Pidgin-OTR-plugin-CVE-2015-8833.html
- https://bugs.otr.im/issues/128
- https://bugs.otr.im/issues/88
- https://bugs.otr.im/projects/pidgin-otr/repository/revisions/aaf551b9dd5cbba8c4abaa3d4dc7ead860efef94
- https://lists.cypherpunks.ca/pipermail/otr-users/2016-March/002582.html
- https://security.gentoo.org/glsa/201701-10
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00095.html
- http://lists.opensuse.org/opensuse-updates/2016-03/msg00109.html
- http://www.debian.org/security/2016/dsa-3528
- http://www.openwall.com/lists/oss-security/2016/03/09/13
- http://www.openwall.com/lists/oss-security/2016/03/09/8
- http://www.securityfocus.com/bid/84295
- https://blog.fuzzing-project.org/39-Heap-use-after-free-in-Pidgin-OTR-plugin-CVE-2015-8833.html
- https://bugs.otr.im/issues/128
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