{"id":"CVE-2021-36493","aliases":["EUVD-2021-23095","GHSA-32jj-wp9g-2g8g","UBUNTU-CVE-2021-36493"],"status":"published","title":"Buffer Overflow vulnerability in pdfimages in xpdf 4.03 allows attackers to crash the application...","description":"Buffer Overflow vulnerability in pdfimages in xpdf 4.03 allows attackers to crash the application via crafted command.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.0088,"percentile":0.5958,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-02-03T00:00:00Z","modified":"2026-10-17T12:57:13Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"ipe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.1.4-2.1","7.1.8-1","7.1.10-1","7.1.10-1.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"ipe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.7-2","7.2.7-3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"ipe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.9-1","7.2.13-2","7.2.13-2build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"ipe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.23+dfsg1-2","7.2.24+dfsg1-1","7.2.24+dfsg1-1build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"ipe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.27+dfsg1-2","7.2.28-2","7.2.28-2.1build2","7.2.28-2.1build3","7.2.28-2.1build4"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"ipe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.30-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"ipe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.30-1build2","7.2.30-2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"ipe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.30-1build1","7.2.30-1build2"]}],"products":[{"vendor":"xpdfreader","product":"xpdf"}],"references":[{"url":"https://forum.xpdfreader.com/viewtopic.php?f=3\u0026t=42160","tags":["x_transferred","Exploit","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36493"},{"url":"https://github.com/advisories/GHSA-32jj-wp9g-2g8g"},{"url":"https://ubuntu.com/security/CVE-2021-36493","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-36493","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-36493","description":"Buffer Overflow vulnerability in pdfimages in xpdf 4.03 allows attackers to crash the application via crafted command.","status":"published","published":"2023-02-03T00:00:00Z","modified":"2025-03-27T13:41:53.974Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:33:05.989686Z"}],"euvd":[{"id":"EUVD-2021-23095","description":"Buffer Overflow vulnerability in pdfimages in xpdf 4.03 allows attackers to crash the application via crafted 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