{"schemaVersion":3,"id":"CVE-2018-10888","aliases":["ALPINE-CVE-2018-10888","UBUNTU-CVE-2018-10888","DEBIAN-CVE-2018-10888"],"status":"published","duplicateOf":null,"title":null,"description":"A flaw was found in libgit2 before version 0.27.3. A missing check in git_delta_apply function in delta.c file, may lead to an out-of-bound read while reading a binary delta file. An attacker may use this flaw to cause a Denial of Service.","dates":{"published":"2018-07-10T14:00:00.000Z","modified":"2024-09-16T16:18:17.644Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.5,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Alpine","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","exploitability":7.2,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","exploitability":7.2,"impact":6,"computed":true},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","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","exploitability":7.2,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","exploitability":7.2,"impact":6,"computed":true}]},"epss":{"probability":0.01848,"percentile":0.78794,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.01848},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01848,"percentile":0.78794}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01848,"percentile":0.78794}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"},{"id":"CWE-125","name":"Out-of-bounds Read","description":"The product reads data past the end, or before the beginning, of the intended buffer.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/125.html"}],"affected":[{"vendor":"alpine","product":"libgit2","name":"libgit2","label":"libgit2","ecosystem":"Alpine Linux","cpePart":null,"purl":"pkg:apk/alpine/libgit2","purlType":"apk","versions":[{"text":"< 0.27.3-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.27.3-r0","eol":null,"hubHref":null},{"vendor":"debian","product":"libgit2","name":"libgit2","label":"libgit2","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/libgit2","purlType":"deb","versions":[{"text":"< 0.27.4+dfsg.1-0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.27.4+dfsg.1-0.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"libgit2","name":"libgit2","label":"libgit2","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libgit2","purlType":"deb","versions":[{"text":"< 0.19.0-2ubuntu0.4","noFixRecorded":false,"fixedIn":null},{"text":"< 0.24.1-2ubuntu0.2","noFixRecorded":false,"fixedIn":null},{"text":"< 0.26.0+dfsg.1-1.1ubuntu0.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.19.0-2ubuntu0.4 | < 0.24.1-2ubuntu0.2 | < 0.26.0+dfsg.1-1.1ubuntu0.2","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":"8.0","noFixRecorded":false,"fixedIn":null},{"text":"9.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"8.0 | 9.0","eol":{"isEol":true,"eolDate":"2020-06-30T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"8","label":"8 (Jessie)","eolFrom":"2020-06-30T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":"8.11"},"product":{"name":"debian","label":"Debian","category":"os"}},"hubHref":"/vendor/debian/debian_linux"},{"vendor":"libgit2","product":"libgit2","name":"libgit2","label":"libgit2","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< version 0.27.3","noFixRecorded":false,"fixedIn":null},{"text":"< 0.27.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< version 0.27.3 | < 0.27.3","eol":null,"hubHref":"/vendor/libgit2/libgit2"}],"affectedCount":5,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://github.com/libgit2/libgit2/commit/9844d38bed10e9ff17174434b3421b227ae710f3","label":"github.com/libgit2/libgit2/commit/9844d38bed10e9ff17174434b3421b227ae710f3","hostname":"github.com","tags":["X Refsource CONFIRM","Patch","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html","label":"lists.debian.org/debian-lts-announce/2018/08/msg00024.html","hostname":"lists.debian.org","tags":["Mailing List","X Refsource MLIST","Third Party Advisory"]},{"url":"https://github.com/libgit2/libgit2/releases/tag/v0.27.3","label":"github.com/libgit2/libgit2/releases/tag/v0.27.3","hostname":"github.com","tags":["X Refsource CONFIRM","Patch","Release Notes","Third Party Advisory","REPORT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1598024","label":"bugzilla.redhat.com/show_bug.cgi?id=1598024","hostname":"bugzilla.redhat.com","tags":["X Refsource CONFIRM","Issue Tracking","Patch","Third Party Advisory","REPORT"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html","label":"lists.debian.org/debian-lts-announce/2022/03/msg00031.html","hostname":"lists.debian.org","tags":["Mailing List","X Refsource MLIST","Third Party Advisory"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2018-10888","label":"security.alpinelinux.org/vuln/CVE-2018-10888","hostname":"security.alpinelinux.org","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-10888","label":"ubuntu.com/security/CVE-2018-10888","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-10888","label":"www.cve.org/CVERecord?id=CVE-2018-10888","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-10888","label":"security-tracker.debian.org/tracker/CVE-2018-10888","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["DLA-1477-1","DLA-2936-1","SUSE-SU-2018:2469-1","SUSE-SU-2018:3440-1"],"duplicates":[],"related":["SUSE-SU-2018:2469-1","SUSE-SU-2018:3440-1"]},"timeline":[{"kind":"published","date":"2018-07-10T14:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-16T16:18:17.644Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":26,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T19:06:13.183Z","stale":false,"partial":false}}