CVE-2008-4989

The _gnutls_x509_verify_certificate function in lib/x509/verify.c in libgnutls in GnuTLS before 2...

5.9 MediumFix available

The _gnutls_x509_verify_certificate function in lib/x509/verify.c in libgnutls in GnuTLS before 2.6.1 trusts certificate chains in which the last certificate is an arbitrary trusted, self-signed certificate, which allows man-in-the-middle attackers to insert a spoofed certificate for any Distinguished Name (DN).

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: None

Exploit likelihood

1.88%Down 0.8 points since Feb 4, 2022

What each source reports

NVD Score used 5.9

Record: CVE-2008-4989
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-295
Updated: 2026-11-02

CVE List No score

Record: CVE-2008-4989
Updated: 2026-11-02

EUVDEUVD-2008-4968 No score

Record: EUVD-2008-4968
Updated: 2026-11-03

GitHub AdvisoriesGHSA-8ph9-x262-cchw 5.9

The _gnutls_x509_verify_certificate function in lib/x509/verify.c in libgnutls in GnuTLS before 2...

Record: GHSA-8ph9-x262-cchw
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-295
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10105-1 No score

gnutls-3.4.15-1.1 on GA media

These are all security issues fixed in the gnutls-3.4.15-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10105-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`gnutls13` Debian:4.0	before 1.4.4-3+etch3, plus listed versions 1.4.4-31.4.4-3+etch11.4.4-3+etch2	1.4.4-3+etch3
`gnutls` Red Hat:enterprise_linux:5::client_workstation	before 0:1.4.1-3.el5_2.1	0:1.4.1-3.el5_2.1
`gnutls-debuginfo` Red Hat:enterprise_linux:5::client_workstation	before 0:1.4.1-3.el5_2.1	0:1.4.1-3.el5_2.1
`gnutls-devel` Red Hat:enterprise_linux:5::client_workstation	before 0:1.4.1-3.el5_2.1	0:1.4.1-3.el5_2.1
`gnutls` Red Hat:enterprise_linux:5::client	before 0:1.4.1-3.el5_2.1	0:1.4.1-3.el5_2.1
`gnutls-debuginfo` Red Hat:enterprise_linux:5::client	before 0:1.4.1-3.el5_2.1	0:1.4.1-3.el5_2.1
`gnutls-utils` Red Hat:enterprise_linux:5::client	before 0:1.4.1-3.el5_2.1	0:1.4.1-3.el5_2.1
`gnutls` Red Hat:enterprise_linux:5::server	before 0:1.4.1-3.el5_2.1	0:1.4.1-3.el5_2.1
`gnutls-debuginfo` Red Hat:enterprise_linux:5::server	before 0:1.4.1-3.el5_2.1	0:1.4.1-3.el5_2.1
`gnutls-devel` Red Hat:enterprise_linux:5::server	before 0:1.4.1-3.el5_2.1	0:1.4.1-3.el5_2.1
`gnutls-utils` Red Hat:enterprise_linux:5::server	before 0:1.4.1-3.el5_2.1	0:1.4.1-3.el5_2.1
`gnutls` openSUSE:Tumbleweed From an advisory covering 10 CVEs	before 3.4.15-1.1	3.4.15-1.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2008-4989 is a medium vulnerability (CVSS 5.9) in Gnu Gnutls, published November 13, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.88%, the 79th percentile. Fixed in gnutls13 1.4.4-3+etch3.

References

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