The _gnutls_recv_client_kx_message function in lib/gnutls_kx.c in libgnutls in gnutls-serv in GnuTLS before 2.2.4 continues to process Client Hello messages within a TLS message after one has already been processed, which allows remote attackers to cause a denial of service (NULL dereference and crash) via a TLS message containing multiple Client Hello messages, aka GNUTLS-SA-2008-1-2.
CVE-2008-1949
- No confirmed exploitation signals yet
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 92.2%
- KEV
- Not listed
Published
May 21, 2008
Last Modified
April 23, 2026
References (80)
- secalert@redhathttp://git.savannah.gnu.org/gitweb/?p=gnutls.git%3Ba=commitdiff%3Bh=bc8102405fda11ea00ca3b42acc4f4bce9d6e97b
- secalert@redhathttp://lists.gnu.org/archive/html/gnutls-devel/2008-05/msg00051.html
- secalert@redhathttp://lists.gnu.org/archive/html/gnutls-devel/2008-05/msg00055.html
- secalert@redhathttp://lists.gnu.org/archive/html/gnutls-devel/2008-05/msg00060.html
- secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2008-09/msg00003.html
- secalert@redhathttp://secunia.com/advisories/30287
- secalert@redhathttp://secunia.com/advisories/30302
- secalert@redhathttp://secunia.com/advisories/30317
- secalert@redhathttp://secunia.com/advisories/30324
- secalert@redhathttp://secunia.com/advisories/30330
- secalert@redhathttp://secunia.com/advisories/30331
- secalert@redhathttp://secunia.com/advisories/30338
- secalert@redhathttp://secunia.com/advisories/30355
- secalert@redhathttp://secunia.com/advisories/31939
- secalert@redhathttp://security.gentoo.org/glsa/glsa-200805-20.xml
Patch Availability(3)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | libgnutls13 (2.0.4-1ubuntu2.1) @ hardy | 2026-05-30 | ubuntu |
| redhat | gnutls-0:1.0.20-4.el4_6 | 2008-05-20 | redhat |
| redhat | gnutls-0:1.4.1-3.el5_1 | 2008-05-20 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(3)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 9× in last 7d / 41× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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- 2026-05-30 21:42 UTCVendor advisory
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