CVE-2016-2369

Severity: medium (CVSS 5.9 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-01-06 · updated 2026-06-17
Weakness: CWE-476

Description

A NULL pointer dereference vulnerability exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent via the server could potentially result in a denial of service vulnerability. A malicious server can send a packet starting with a NULL byte triggering the vulnerability.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04, 15.10
Debian Linux: 8.0
Pidgin: through 2.10.12

References

http://www.debian.org/security/2016/dsa-3620
http://www.pidgin.im/news/security/?id=102
http://www.securityfocus.com/bid/91335
http://www.talosintelligence.com/reports/TALOS-2016-0137/
http://www.ubuntu.com/usn/USN-3031-1
https://security.gentoo.org/glsa/201701-38
http://www.debian.org/security/2016/dsa-3620
http://www.pidgin.im/news/security/?id=102
http://www.securityfocus.com/bid/91335
http://www.talosintelligence.com/reports/TALOS-2016-0137/
http://www.ubuntu.com/usn/USN-3031-1
https://security.gentoo.org/glsa/201701-38

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