{"id":"CVE-2012-2131","aliases":["DEBIAN-CVE-2012-2131","DSA-2454-2","EUVD-2012-2131","GHSA-wvj2-94fg-jpr9"],"status":"published","title":"Multiple integer signedness errors in crypto/buffer/buffer.c in OpenSSL 0.9.8v allow remote...","description":"Multiple integer signedness errors in crypto/buffer/buffer.c in OpenSSL 0.9.8v allow remote attackers to conduct buffer overflow attacks, and cause a denial of service (memory corruption) or possibly have unspecified other impact, via crafted DER data, as demonstrated by an X.509 certificate or an RSA public key.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-2110.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.16818,"percentile":0.9706,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-189"],"published":"2012-04-24T00:00:00Z","modified":"2026-06-16T23:41:03Z","exploits":[{"source":"exploitdb","id":"EDB-18756","title":"OpenSSL - ASN1 BIO Memory Corruption","type":"dos","platform":"multiple","date":"2012-04-19","verified":true,"url":"https://www.exploit-db.com/exploits/18756"}],"fixes":[{"ecosystem":"Debian:6.0","package":"openssl","fixed_in":["0.9.8o-4squeeze12"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:6.0","package":"openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.8o-4squeeze12"}]}],"versions":["0.9.8o-4","0.9.8o-4squeeze1","0.9.8o-4squeeze11","0.9.8o-4squeeze2","0.9.8o-4squeeze3","0.9.8o-4squeeze4","0.9.8o-4squeeze4~bpo50+1","0.9.8o-4squeeze5","0.9.8o-4squeeze7","0.9.8o-4squeeze8","0.9.8o-4squeeze9"]}],"products":[{"vendor":"openssl","product":"openssl"}],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00014.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00007.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2012:064","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred"]},{"url":"http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10673","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.ubuntu.com/usn/USN-1428-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"http://cvs.openssl.org/chngview?cn=22479","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.openssl.org/news/secadv_20120424.txt","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.debian.org/security/2012/dsa-2454","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://support.apple.com/kb/HT5784","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred"]},{"url":"http://secunia.com/advisories/48895","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/75099","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://secunia.com/advisories/48956","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2012/04/24/1","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00015.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=134039053214295\u0026w=2","tags":["vendor-advisory","x_refsource_HP","x_transferred"]},{"url":"http://secunia.com/advisories/57353","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=133728068926468\u0026w=2","tags":["vendor-advisory","x_refsource_HP","x_transferred"]},{"url":"http://www.securitytracker.com/id?1026957","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/53212","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-2131"},{"url":"https://github.com/advisories/GHSA-wvj2-94fg-jpr9"}],"sources":{"cve":[{"id":"CVE-2012-2131","description":"Multiple integer signedness errors in crypto/buffer/buffer.c in OpenSSL 0.9.8v allow remote attackers to conduct buffer overflow attacks, and cause a denial of service (memory corruption) or possibly have unspecified other impact, via crafted DER data, as demonstrated by an X.509 certificate or an RSA public key.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-2110.","status":"published","published":"2012-04-24T20:00:00Z","modified":"2024-08-06T19:26:08.465Z","updated_at":"2026-11-02T14:34:49.937255Z"}],"euvd":[{"id":"EUVD-2012-2131","description":"Multiple integer signedness errors in crypto/buffer/buffer.c in OpenSSL 0.9.8v allow remote attackers to conduct buffer overflow attacks, and cause a denial of service (memory corruption) or possibly have unspecified other impact, via crafted DER data, as demonstrated by an X.509 certificate or an RSA public key.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-2110.","status":"published","published":"2012-04-24T20:00:00Z","modified":"2024-08-06T19:26:08Z","updated_at":"2026-11-03T01:56:15.412642Z"}],"ghsa":[{"id":"GHSA-wvj2-94fg-jpr9","title":"Multiple integer signedness errors in crypto/buffer/buffer.c in OpenSSL 0.9.8v allow remote...","description":"Multiple integer signedness errors in crypto/buffer/buffer.c in OpenSSL 0.9.8v allow remote attackers to conduct buffer overflow attacks, and cause a denial of service (memory corruption) or possibly have unspecified other impact, via crafted DER data, as demonstrated by an X.509 certificate or an RSA public key.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-2110.","status":"published","published":"2022-05-14T04:00:01Z","modified":"2023-02-03T05:00:58Z","updated_at":"2026-11-02T14:52:53.034472Z"}],"nvd":[{"id":"CVE-2012-2131","description":"Multiple integer signedness errors in crypto/buffer/buffer.c in OpenSSL 0.9.8v allow remote attackers to conduct buffer overflow attacks, and cause a denial of service (memory corruption) or possibly have unspecified other impact, via crafted DER data, as demonstrated by an X.509 certificate or an RSA public key.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-2110.","status":"published","published":"2012-04-24T20:55:02.97Z","modified":"2026-06-16T23:41:03.197Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:02:13.901526Z"}],"osv":[{"id":"DSA-2454-2","title":"openssl - incomplete fix","status":"published","published":"2012-04-24T00:00:00Z","modified":"2026-03-09T01:22:56.580744Z","updated_at":"2026-11-02T15:46:15.489951Z"}]}}