{"id":"CVE-2021-32493","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-32493","generatedAt":"2026-10-27T21:20:28.385Z","title":"A heap buffer overflow in function DJVU::GBitmap::decode() via crafted djvu file may lead to application crash and other consequences.","description":"A flaw was found in djvulibre-3.5.28 and earlier. A heap buffer overflow in function DJVU::GBitmap::decode() via crafted djvu file may lead to application crash and other consequences.","published":"2021-06-24T19:15:09.000Z","lastModified":"2026-06-17T03:53:03.000Z","status":"Modified","sourceIdentifier":"patrick@puiterwijk.org","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-119","CWE-787"],"affected":["djvulibre project/djvulibre","debian/debian linux"],"epss":{"score":0.00957,"percentile":0.61199,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.96%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1943690","tags":["Issue Tracking","Third Party Advisory"],"source":"patrick@puiterwijk.org"},{"url":"https://www.debian.org/security/2021/dsa-5032","tags":["Third Party Advisory"],"source":"patrick@puiterwijk.org"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1943690","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2021/dsa-5032","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-32493","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."}