{"id":"CVE-2012-4432","aliases":["EUVD-2012-4366","GHSA-7wr9-wqrq-wjv4"],"status":"published","title":"Use-after-free vulnerability in opngreduc.c in OptiPNG Hg and 0.7.x before 0.7.3 might allow...","description":"Use-after-free vulnerability in opngreduc.c in OptiPNG Hg and 0.7.x before 0.7.3 might allow remote attackers to execute arbitrary code via unspecified vectors related to \"palette reduction.\"","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":0.05236,"percentile":0.92578,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2012-10-01T01:00:00Z","modified":"2026-06-16T23:45:00Z","products":[{"vendor":"optipng","product":"optipng"}],"references":[{"url":"http://www.securityfocus.com/bid/55566","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://optipng.sourceforge.net/","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/78743","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2012/09/17/5","tags":["mailing-list","x_refsource_MLIST","x_transferred","Exploit","Patch"]},{"url":"http://optipng.hg.sourceforge.net/hgweb/optipng/optipng/rev/f1d5d44670a2","tags":["x_refsource_CONFIRM","x_transferred","Exploit"]},{"url":"http://secunia.com/advisories/50654","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://sourceforge.net/news/?group_id=151404","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2012/09/18/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","Exploit","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-4432"},{"url":"http://optipng.sourceforge.net"},{"url":"https://github.com/advisories/GHSA-7wr9-wqrq-wjv4"}],"sources":{"cve":[{"id":"CVE-2012-4432","description":"Use-after-free vulnerability in opngreduc.c in OptiPNG Hg and 0.7.x before 0.7.3 might allow remote attackers to execute arbitrary code via unspecified vectors related to \"palette reduction.\"","status":"published","published":"2012-10-01T01:00:00Z","modified":"2024-08-06T20:35:09.7Z","updated_at":"2026-11-02T14:34:51.937988Z"}],"euvd":[{"id":"EUVD-2012-4366","description":"Use-after-free vulnerability in opngreduc.c in OptiPNG Hg and 0.7.x before 0.7.3 might allow remote attackers to execute arbitrary code via unspecified vectors related to \"palette reduction.\"","status":"published","published":"2012-10-01T01:00:00Z","modified":"2024-08-06T20:35:09Z","updated_at":"2026-11-03T01:56:07.912368Z"}],"ghsa":[{"id":"GHSA-7wr9-wqrq-wjv4","title":"Use-after-free vulnerability in opngreduc.c in OptiPNG Hg and 0.7.x before 0.7.3 might allow...","description":"Use-after-free vulnerability in opngreduc.c in OptiPNG Hg and 0.7.x before 0.7.3 might allow remote attackers to execute arbitrary code via unspecified vectors related to \"palette reduction.\"","status":"published","published":"2022-05-17T01:42:00Z","modified":"2025-04-11T04:03:15Z","updated_at":"2026-11-02T15:01:12.063438Z"}],"nvd":[{"id":"CVE-2012-4432","description":"Use-after-free vulnerability in opngreduc.c in OptiPNG Hg and 0.7.x before 0.7.3 might allow remote attackers to execute arbitrary code via unspecified vectors related to \"palette reduction.\"","status":"published","published":"2012-10-01T03:26:16.353Z","modified":"2026-06-16T23:45:00.62Z","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-399"],"updated_at":"2026-11-02T14:02:16.115119Z"}]}}