CVE-2012-2333
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.
Key facts
- CVSS score
- 6.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-189
- EPSS score
- 27.9% (98th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-2326)
- Published
- May 14, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-2326 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
and 49 more…
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(US Government Resource)
- 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
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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