{"id":"CVE-2016-2191","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-2191","generatedAt":"2026-10-27T17:43:04.662Z","title":"The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) via a series of delta escapes in a crafted BMP image.","description":"The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) via a series of delta escapes in a crafted BMP image.","published":"2016-04-13T16:59:11.000Z","lastModified":"2026-06-17T00:43:38.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.0","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},"cwe":["CWE-119"],"affected":["optipng/optipng","canonical/ubuntu linux","debian/debian linux","opensuse/leap","opensuse/opensuse"],"epss":{"score":0.03519,"percentile":0.89142,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (3.52%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://lists.opensuse.org/opensuse-updates/2016-04/msg00061.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2016-04/msg00065.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://packetstormsecurity.com/files/136553/Optipng-Invalid-Write.html","tags":["Exploit"],"source":"secalert@redhat.com"},{"url":"http://seclists.org/fulldisclosure/2016/Apr/15","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2016/dsa-3546","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2016/04/04/2","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/archive/1/537972/100/0/threaded","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-2951-1","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://security.gentoo.org/glsa/201608-01","source":"secalert@redhat.com"},{"url":"https://sourceforge.net/p/optipng/bugs/59/","tags":["Patch"],"source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2016-04/msg00061.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2016-04/msg00065.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/136553/Optipng-Invalid-Write.html","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2016/Apr/15","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2016/dsa-3546","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2016/04/04/2","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/537972/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2951-1","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201608-01","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://sourceforge.net/p/optipng/bugs/59/","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-2191","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}