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CVE-2008-4989
The _gnutls_x509_verify_certificate function in lib/x509/verify.c in libgnutls in GnuTLS before 2.6.1 trusts certificate chains in which…
- 5.9MediumCVSS base score
- 1.9%Exploitation in 30 daysEPSS · top 20% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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).
Timeline
ID reserved
By mitre
- 7 days later
· 7 days later
Published
- 16 years later
· 16 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 1.9% · top 20% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.
Affected products
n/a
- affected n/a
References
30
- MDVSA-2008:227 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- USN-678-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 33694 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- GLSA-200901-10 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- RHSA-2008:0982 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-678-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 20081117 rPSA-2008-0322-1 gnutls (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- [gnutls-devel] 20081110 GnuTLS 2.6.1 - Security release [GNUTLS-SA-2008-3] (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [gnutls-devel] 20081110 Analysis of vulnerability GNUTLS-SA-2008-3 CVE-2008-4989 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://wiki.rpath.com/Advisories:rPSA-2008-0322 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 32687 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- FEDORA-2008-9600 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- http://www.gnu.org/software/gnutls/security.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://issues.rpath.com/browse/RPL-2886 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 35423 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SR:2008:027 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 32232 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1021167 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 260528 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
- 33501 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 32879 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2009-1567 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 32619 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2008-3086 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 32681 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SR:2009:009 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- oval:org.mitre.oval:def:11650 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- DSA-1719 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- FEDORA-2008-9530 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- gnutls-x509-name-spoofing(46482) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2008-4968 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://cveledger.app/cve/CVE-2008-4989)Record last updated .