CVE-2016-1000030

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-09-05 · updated 2026-06-17
Weakness: CWE-295

Description

Pidgin version <2.11.0 contains a vulnerability in X.509 Certificates imports specifically due to improper check of return values from gnutls_x509_crt_init() and gnutls_x509_crt_import() that can result in code execution. This attack appear to be exploitable via custom X.509 certificate from another client. This vulnerability appears to have been fixed in 2.11.0.

Affected products

Pidgin: before 2.11.0 — fixed in 2.11.0
SUSE Linux Enterprise Server: 11-sp4

How to fix

Upgrade to a fixed version: Pidgin 2.11.0. Check the vendor advisory for mitigations.

References

https://access.redhat.com/security/cve/cve-2016-1000030
https://bitbucket.org/pidgin/main/commits/d6fc1ce76ffe
https://pidgin.im/news/security/?id=91
https://security.gentoo.org/glsa/201701-38
https://www.suse.com/pt-br/security/cve/CVE-2016-1000030/
https://access.redhat.com/security/cve/cve-2016-1000030
https://bitbucket.org/pidgin/main/commits/d6fc1ce76ffe
https://pidgin.im/news/security/?id=91
https://security.gentoo.org/glsa/201701-38
https://www.suse.com/pt-br/security/cve/CVE-2016-1000030/

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