CVE-2014-3466
Buffer overflow in the read_server_hello function in lib/gnutls_handshake.c in GnuTLS before 3.1.25, 3.2.x before 3.2.15, and 3.3.x before 3.3.4 allows remote servers to cause a denial of service (memory corruption) or possibly execute arbitrary code…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 11.2%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
Buffer overflow in the read_server_hello function in lib/gnutls_handshake.c in GnuTLS before 3.1.25, 3.2.x before 3.2.15, and 3.3.x before 3.3.4 allows remote servers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a long session id in a ServerHello message.
- CVSS 2.0
- 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 11.22% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- gnu/gnutls
- Source
- secalert@redhat.com
EPSS 11.2% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://linux.oracle.com/errata/ELSA-2014-0594.html
- http://linux.oracle.com/errata/ELSA-2014-0595.html
- http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00015.html
- http://radare.today/technical-analysis-of-the-gnutls-hello-vulnerability/Exploit, URL Repurposed
- http://rhn.redhat.com/errata/RHSA-2014-0594.html
- http://rhn.redhat.com/errata/RHSA-2014-0595.html
- http://rhn.redhat.com/errata/RHSA-2014-0684.html
- http://rhn.redhat.com/errata/RHSA-2014-0815.html
- http://secunia.com/advisories/58340
- http://secunia.com/advisories/58598
- http://secunia.com/advisories/58601
- http://secunia.com/advisories/58642
- http://secunia.com/advisories/59016
- http://secunia.com/advisories/59021
- http://secunia.com/advisories/59057
- http://secunia.com/advisories/59086
- http://secunia.com/advisories/59408
- http://secunia.com/advisories/59838
- http://secunia.com/advisories/60384
- http://www-01.ibm.com/support/docview.wss?uid=swg21678776
- http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5096155
- http://www.debian.org/security/2014/dsa-2944
- http://www.gnutls.org/security.htmlVendor Advisory
- http://www.novell.com/support/kb/doc.php?id=7015302
- http://www.novell.com/support/kb/doc.php?id=7015303
- http://www.securityfocus.com/bid/67741
- http://www.securitytracker.com/id/1030314
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.