{"id":"CVE-2015-7802","aliases":["DEBIAN-CVE-2015-7802","EUVD-2015-7701","GHSA-3c85-4h37-m8ww","MGASA-2016-0135","UBUNTU-CVE-2015-7802","USN-2951-1"],"status":"published","title":"gifread.c in gif2png, as used in OptiPNG before 0.7.6, allows remote attackers to cause a denial...","description":"gifread.c in gif2png, as used in OptiPNG before 0.7.6, allows remote attackers to cause a denial of service (uninitialized memory read) via a crafted GIF file.","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01563,"percentile":0.75428,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2015-10-12T00:00:00Z","modified":"2026-09-09T07:01:15Z","fixes":[{"ecosystem":"Debian:12","package":"optipng","fixed_in":["0.7.6-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"optipng","fixed_in":["0.7.6-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"optipng","fixed_in":["0.7.6-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"optipng","fixed_in":["0.6.4-1ubuntu0.14.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"optipng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.6-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"optipng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.6-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"optipng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.6-1"}]}]},{"source":"osv","ecosystem":"Mageia:5","package":"optipng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.6-1.mga5"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"optipng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.4-1ubuntu0.14.04.1"}]}],"versions":["0.6.4-1build1"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"optipng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.4-1ubuntu0.14.04.1"}]}],"versions":["0.6.4-1build1"],"bundled":5}],"products":[{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"optipng_project","product":"optipng"}],"references":[{"url":"http://optipng.sourceforge.net/history.txt","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"http://www.ubuntu.com/usn/USN-2951-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory"]},{"url":"https://sourceforge.net/p/optipng/bugs/53/","tags":["x_refsource_CONFIRM","x_transferred","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-7802"},{"url":"https://sourceforge.net/p/optipng/bugs/53"},{"url":"https://github.com/advisories/GHSA-3c85-4h37-m8ww"},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-7802","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2016-0135.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=16949","tags":["report"]},{"url":"http://openwall.com/lists/oss-security/2016/04/04/2","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2015-7802","tags":["report"]},{"url":"http://www.openwall.com/lists/oss-security/2015/10/10/2","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-2951-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-7802","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2015-7801","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-2191","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-3981","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-3982","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2015-7802","description":"gifread.c in gif2png, as used in OptiPNG before 0.7.6, allows remote attackers to cause a denial of service (uninitialized memory read) via a crafted GIF file.","status":"published","published":"2016-04-20T16:00:00Z","modified":"2024-08-06T07:58:59.863Z","updated_at":"2026-11-02T14:35:44.404481Z"}],"euvd":[{"id":"EUVD-2015-7701","description":"gifread.c in gif2png, as used in OptiPNG before 0.7.6, allows remote attackers to cause a denial of service (uninitialized memory read) via a crafted GIF file.","status":"published","published":"2016-04-20T16:00:00Z","modified":"2024-08-06T07:58:59Z","updated_at":"2026-11-03T02:21:51.562291Z"}],"ghsa":[{"id":"GHSA-3c85-4h37-m8ww","title":"gifread.c in gif2png, as used in OptiPNG before 0.7.6, allows remote attackers to cause a denial...","description":"gifread.c in gif2png, as used in OptiPNG before 0.7.6, allows remote attackers to cause a denial of service (uninitialized memory read) via a crafted GIF file.","status":"published","published":"2022-05-14T02:12:43Z","modified":"2025-04-12T12:59:55Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:01:26.909163Z"}],"nvd":[{"id":"CVE-2015-7802","description":"gifread.c in gif2png, as used in OptiPNG before 0.7.6, allows remote attackers to cause a denial of service (uninitialized memory read) via a crafted GIF file.","status":"published","published":"2016-04-20T16:59:02.113Z","modified":"2026-06-17T00:33:09.82Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:03:16.97467Z"}],"osv":[{"id":"CVE-2015-7802","description":"gifread.c in gif2png, as used in OptiPNG before 0.7.6, allows remote attackers to cause a denial of service (uninitialized memory read) via a crafted GIF file.","status":"published","published":"2016-04-20T16:59:02Z","modified":"2026-04-16T06:23:53.616391602Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:01.068991Z"},{"id":"DEBIAN-CVE-2015-7802","description":"gifread.c in gif2png, as used in OptiPNG before 0.7.6, allows remote attackers to cause a denial of service (uninitialized memory read) via a crafted GIF file.","status":"published","published":"2016-04-20T16:59:02.113Z","modified":"2026-09-09T07:01:15.282081742Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:27.04239Z"},{"id":"UBUNTU-CVE-2015-7802","description":"gifread.c in gif2png, as used in OptiPNG before 0.7.6, allows remote attackers to cause a denial of service (uninitialized memory read) via a crafted GIF file.","status":"published","published":"2015-10-12T00:00:00Z","modified":"2026-02-04T02:47:14.73946Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:10.737723Z"},{"id":"MGASA-2016-0135","title":"Updated optipng packages fix security vulnerabilities","description":"An updated optipng package fixes a number of bugs and security vulnerabilities.\n\nCVE-2015-7802 - Buffer over-read issue\nCVE-2016-2191 - An invalid write and segmentation fault may occur while \nprocessing bitmap images\n","status":"published","published":"2016-04-13T17:39:04Z","modified":"2026-04-16T06:23:43.128734672Z","updated_at":"2026-11-02T15:49:39.792687Z"},{"id":"USN-2951-1","title":"optipng vulnerabilities","description":"Gustavo Grieco discovered that OptiPNG incorrectly handled memory. A remote\nattacker could use this issue with a specially crafted image file to cause\nOptiPNG to crash, resulting in a denial of service. (CVE-2015-7801)\n\nGustavo Grieco discovered that OptiPNG incorrectly handled memory. A remote\nattacker could use this issue with a specially crafted image file to cause\nOptiPNG to crash, resulting in a denial of service. (CVE-2015-7802)\n\nHans Jerry Illikainen discovered that OptiPNG incorrectly handled memory. A\nremote attacker could use this issue with a specially crafted image file to\ncause OptiPNG to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. (CVE-2016-2191)\n\nHenri Salo discovered that OptiPNG incorrectly handled memory. A remote\nattacker could use this issue with a specially crafted image file to cause\nOptiPNG to crash, resulting in a denial of service, or possibly execute\narbitrary code. (CVE-2016-3981)\n\nHenri Salo discovered that OptiPNG incorrectly handled memory. A remote\nattacker could use this issue with a specially crafted image file to cause\nOptiPNG to crash, resulting in a denial of service, or possibly execute\narbitrary code. (CVE-2016-3982)\n","status":"published","published":"2016-04-18T12:25:09Z","modified":"2026-02-10T04:40:58Z","updated_at":"2026-11-02T16:58:10.303275Z"}]}}