{"schemaVersion":3,"id":"CVE-2020-27761","aliases":["UBUNTU-CVE-2020-27761","DEBIAN-CVE-2020-27761"],"status":"published","duplicateOf":null,"title":null,"description":"WritePALMImage() in /coders/palm.c used size_t casts in several areas of a calculation which could lead to values outside the range of representable type `unsigned long` undefined behavior when a crafted input file was processed by ImageMagick. The patch casts to `ssize_t` instead to avoid this issue. Red Hat Product Security marked the Severity as Low because although it could potentially lead to an impact to application availability, no specific impact was shown in this case. This flaw affects ImageMagick versions prior to ImageMagick 7.0.9-0.","dates":{"published":"2020-12-03T00:00:00.000Z","modified":"2024-08-04T16:18:45.669Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":4.3,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":3.3,"severity":"low","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","exploitability":4.6,"impact":2.3,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · 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Overflow or Wraparound","description":"The product performs a calculation that can\n         produce an integer overflow or wraparound when the logic\n         assumes that the resulting value will always be larger than\n         the original value. This occurs when an integer value is\n         incremented to a value that is too large to store in the\n         associated representation. When this occurs, the value may\n         become a very small or negative number.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/190.html"}],"affected":[{"vendor":"debian","product":"imagemagick","name":"imagemagick","label":"imagemagick","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/imagemagick","purlType":"deb","versions":[{"text":"< 8:6.9.11.24+dfsg-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8:6.9.11.24+dfsg-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"imagemagick","name":"imagemagick","label":"imagemagick","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/imagemagick","purlType":"deb","versions":[{"text":"< 8:6.8.9.9-7ubuntu5.16+esm11","noFixRecorded":false,"fixedIn":null},{"text":"< 8:6.9.7.4+dfsg-16ubuntu6.11","noFixRecorded":false,"fixedIn":null},{"text":"< 8:6.9.10.23+dfsg-2.1ubuntu11.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8:6.8.9.9-7ubuntu5.16+esm11 | < 8:6.9.7.4+dfsg-16ubuntu6.11 | < 8:6.9.10.23+dfsg-2.1ubuntu11.4","eol":null,"hubHref":null},{"vendor":"debian","product":"debian_linux","name":"debian linux","label":"debian_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"9.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"9.0","eol":{"isEol":true,"eolDate":"2022-07-01T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"9","label":"9 (Stretch)","eolFrom":"2022-07-01T00:00:00.000Z","isLts":false,"isMaintained":true,"latestVersion":"9.13"},"product":{"name":"debian","label":"Debian","category":"os"}},"hubHref":"/vendor/debian/debian_linux"},{"vendor":"imagemagick","product":"imagemagick","name":"imagemagick","label":"imagemagick","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 6.9.10-69","noFixRecorded":false,"fixedIn":null},{"text":"≥ 7.0.0-0, < 7.0.9-0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.9.10-69 | ≥ 7.0.0-0, < 7.0.9-0","eol":null,"hubHref":"/vendor/imagemagick/imagemagick"}],"affectedCount":4,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1894679","label":"bugzilla.redhat.com/show_bug.cgi?id=1894679","hostname":"bugzilla.redhat.com","tags":["Issue Tracking","Patch","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/03/msg00030.html","label":"lists.debian.org/debian-lts-announce/2021/03/msg00030.html","hostname":"lists.debian.org","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html","label":"lists.debian.org/debian-lts-announce/2023/03/msg00008.html","hostname":"lists.debian.org","tags":["Mailing List"]},{"url":"https://ubuntu.com/security/CVE-2020-27761","label":"ubuntu.com/security/CVE-2020-27761","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-4988-1","label":"ubuntu.com/security/notices/USN-4988-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-27761","label":"www.cve.org/CVERecord?id=CVE-2020-27761","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-7068-1","label":"ubuntu.com/security/notices/USN-7068-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-27761","label":"security-tracker.debian.org/tracker/CVE-2020-27761","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["DLA-2602-1","DLA-3357-1","OPENSUSE-SU-2021:0136-1","OPENSUSE-SU-2021:0148-1","SUSE-SU-2021:0153-1","SUSE-SU-2021:0156-1","SUSE-SU-2021:0199-1","SUSE-SU-2021:14598-1","USN-4988-1","USN-7068-1"],"duplicates":[],"related":["OPENSUSE-SU-2021:0136-1","OPENSUSE-SU-2021:0148-1","SUSE-SU-2021:0153-1","SUSE-SU-2021:0156-1","SUSE-SU-2021:0199-1","SUSE-SU-2021:14598-1","USN-4988-1","USN-7068-1"]},"timeline":[{"kind":"published","date":"2020-12-03T00:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T16:18:45.669Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":17,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T15:49:04.846Z","stale":false,"partial":false}}