CVE-2016-1000030

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.

Published: 2018-09-05 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2016-1000030 is rated High Risk (67/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.84%). EPSS rose +1.11% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-1000030

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.74% 1.84% +1.11%
2 2026-03-22 0.82% 0.74% -0.09%
3 2025-03-30 — 0.82% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-1000030

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2016-1000030

OS Trackers for CVE-2016-1000030

vendor priority summary link
debian unimportant CVE-2016-1000030 unimportant priority: Debian including 1 source packages (pidgin), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2016-1000030
gentoo normal CVE-2016-1000030: 1 GLSA(s) (201701-38), 1 atom(s) (net-im/pidgin); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-1000030
redhat low — https://access.redhat.com/security/cve/CVE-2016-1000030
suse medium CVE-2016-1000030 severity moderate: SUSE including 10 source package names (finch, finch-devel, …), 20 product×package rows across 3 product lines (SUSE Linux Enterprise Desktop 12 SP3, SUSE Linux Enterprise Software Development Kit 12 SP3, SUSE Linux Enterprise Workstation Extension 12 SP3): Known Not Affected 20. https://www.suse.com/security/cve/CVE-2016-1000030/
ubuntu medium CVE-2016-1000030 medium priority: Ubuntu including 1 source packages (pidgin), 5 status rows across 5 suites (precise, trusty, upstream, wily, xenial): not-affected 4, released 1. https://ubuntu.com/security/CVE-2016-1000030

Affected software / configurations for CVE-2016-1000030

Vendor Product Version Raw CPE
suse linux_enterprise_server 11 cpe:2.3:o:suse:linux_enterprise_server:11:sp4:*:*:*:*:*:*
pidgin pidgin < 2.11.0 cpe:2.3:a:pidgin:pidgin:*:*:*:*:*:*:*:*

References for CVE-2016-1000030

cvelogic Threat Intelligence