HOMEVULNERABILITIESCVE-2016-1000030
CRITICAL

CVE-2016-1000030

CWE-295Published: September 5, 2018· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2016-1000030 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

pidgin1 product(s)
pidgin
SUSE1 product(s)
linux enterprise server
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

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

All References (10)

→
https://access.redhat.com/security/cve/cve-2016-1000030Third Party Advisory
→
https://bitbucket.org/pidgin/main/commits/d6fc1ce76ffePatch · Third Party Advisory
→
https://pidgin.im/news/security/?id=91Vendor Advisory
→
https://security.gentoo.org/glsa/201701-38Third Party Advisory
→
https://www.suse.com/pt-br/security/cve/CVE-2016-1000030/Third Party Advisory
→
https://access.redhat.com/security/cve/cve-2016-1000030Third Party Advisory
→
https://bitbucket.org/pidgin/main/commits/d6fc1ce76ffePatch · Third Party Advisory
→
https://pidgin.im/news/security/?id=91Vendor Advisory
→
https://security.gentoo.org/glsa/201701-38Third Party Advisory
→
https://www.suse.com/pt-br/security/cve/CVE-2016-1000030/Third Party Advisory

Quick Facts

CVE IDCVE-2016-1000030
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-295
CISA KEVNo
Affected2 vendor(s)
PublishedSep 5, 2018

Related CVEs (CWE-295)

CVE-2026-4370
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CVE-2022-21654
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CVE-2025-36041
9.8
CVE-2021-29656
9.8
CVE-2026-9258
9.8
CVE-2025-35434
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-1000030 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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