CVE-2012-2333
MEDIUMEPSS 98th pctlDescription
Integer underflow in OpenSSL before 0.9.8x, 1.0.0 before 1.0.0j, and 1.0.1 before 1.0.1c, when TLS 1.1, TLS 1.2, or DTLS is used with CBC encryption, allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via a crafted TLS packet that is not properly handled during a certain explicit IV calculation.
CVSS v2 Vector
No CVSS vector data available.
Exploit Intelligence
Very high risk: more likely to be exploited than 98% of all known CVEs.
References
- http://cvs.openssl.org/chngview?cn=22538
- http://cvs.openssl.org/chngview?cn=22547
- http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-May/081460.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html
- http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00020.html
- http://marc.info/?l=bugtraq&m=134919053717161&w=2
- http://marc.info/?l=bugtraq&m=136432043316835&w=2
- http://rhn.redhat.com/errata/RHSA-2012-0699.html
- http://rhn.redhat.com/errata/RHSA-2012-1306.html
- http://rhn.redhat.com/errata/RHSA-2012-1307.html
- http://rhn.redhat.com/errata/RHSA-2012-1308.html
- http://secunia.com/advisories/49116
- http://secunia.com/advisories/49208
- http://secunia.com/advisories/49324
- http://secunia.com/advisories/50768
- http://secunia.com/advisories/51312
- http://support.apple.com/kb/HT5784
- http://www.cert.fi/en/reports/2012/vulnerability641549.html
- http://www.debian.org/security/2012/dsa-2475
- http://www.kb.cert.org/vuls/id/737740
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:073
- http://www.openssl.org/news/secadv_20120510.txt
- http://www.securityfocus.com/bid/53476
- http://www.securitytracker.com/id?1027057
- https://bugzilla.redhat.com/show_bug.cgi?id=820686
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75525
Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.