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Vulnerability record · CVE-2016-1000030 · published 5 September 2018

CVE-2016-1000030: Suse linux enterprise server improper certificate validation vulnerability

Suse · Linux Enterprise Server

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.

9.8 CVSS 3.0 Critical EPSS 1.8% · top 21.8% CWE-295 · Improper certificate validation
9.8CVSS 3.0 base score, v2 7.5
1.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Source: NIST National Vulnerability Database (record CVE-2016-1000030), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.