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CVE-2015-8833

9.8 · CRITICAL

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 arb…

Published Apr 12, 2016EPSS 7.03%

Overview

CVE-2015-8833 is a critical-severity vulnerability. It was published on April 12, 2016 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.opensuse.org/opensuse-security-announce/2016-03/msg00095.htmlReflists.opensuse.org/opensuse-updates/2016-03/msg00109.htmlRefwww.debian.org/security/2016/dsa-3528Refwww.openwall.com/lists/oss-security/2016/03/09/13Refwww.openwall.com/lists/oss-security/2016/03/09/8Refwww.securityfocus.com/bid/84295Refblog.fuzzing-project.org/39-Heap-use-after-free-in-Pidgin-OTR-plugin-CVE-2015-8833.htmlRefbugs.otr.im/issues/128Refbugs.otr.im/issues/88Refbugs.otr.im/projects/pidgin-otr/repository/revisions/aaf551b9dd5cbba8c4abaa3d4dc7ead860efef94

How CyberStrike helps

Frequently asked questions

What is CVE-2015-8833?

CVE-2015-8833 is a critical-severity vulnerability. It was published on April 12, 2016 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2015-8833?

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-8833?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-8833?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-8833 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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