{"id":"CVE-2026-28691","state":"PUBLISHED","title":"ImageMagick has an uninitialized pointer dereference in JBIG decoder","description":"ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, an uninitialized pointer dereference vulnerability exists in the JBIG decoder due to a missing check. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.","publishedAt":"2026-03-09T21:40:42.117Z","updatedAt":"2026-07-15T01:11:38.771Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["ImageMagick ImageMagick"],"affected":[{"vendor":"ImageMagick","product":"ImageMagick","versions":[{"version":">= 7.0.0, < 7.1.2-16","status":"affected"},{"version":"< 6.9.13-41","status":"affected"}]}],"references":["https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-wj8w-pjxf-9g4f","https://access.redhat.com/security/cve/CVE-2026-28691","https://bugzilla.redhat.com/show_bug.cgi?id=2445902","https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28691.json","https://access.redhat.com/errata/RHSA-2026:6713"],"weaknesses":["CWE-252","CWE-824"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/28xxx/CVE-2026-28691.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-28691","state":"PUBLISHED","datePublished":"2026-03-09T21:40:42.117Z","dateUpdated":"2026-07-15T01:11:38.771Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-02T21:43:19.927Z"},"containers":{"cna":{"title":"ImageMagick has an uninitialized pointer dereference in JBIG decoder","descriptions":[{"lang":"en","value":"ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, an uninitialized pointer dereference vulnerability exists in the JBIG decoder due to a missing check. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41."}],"affected":[{"vendor":"ImageMagick","product":"ImageMagick","versions":[{"version":">= 7.0.0, < 7.1.2-16","status":"affected"},{"version":"< 6.9.13-41","status":"affected"}]}],"references":[{"url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-wj8w-pjxf-9g4f","name":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-wj8w-pjxf-9g4f","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-252","lang":"en","description":"CWE-252: Unchecked Return Value","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-824","lang":"en","description":"CWE-824: Access of Uninitialized Pointer","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-09T21:40:42.117Z"},"source":{"advisory":"GHSA-wj8w-pjxf-9g4f","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-10T15:58:48.611332Z","id":"CVE-2026-28691","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-10T15:58:54.681Z"}},{"title":"ImageMagick: ImageMagick: Denial of Service via uninitialized pointer dereference in JBIG decoder","descriptions":[{"lang":"en","value":"A flaw was found in ImageMagick. This vulnerability, an uninitialized pointer dereference, exists in the JBIG decoder due to a missing check. A remote attacker could exploit this by providing a specially crafted image file, leading to a denial of service. This could make the ImageMagick application unavailable to users."}],"affected":[{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 7 Extended Lifecycle Support","packageName":"ImageMagick","defaultStatus":"affected","versions":[{"version":"0:6.9.10.68-15.el7_9","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:rhel_els:7"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 6","packageName":"ImageMagick","defaultStatus":"unknown","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"]}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-28691","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2445902","name":"RHBZ#2445902","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28691.json","tags":["x_sadp-csaf-vex"]},{"url":"https://access.redhat.com/errata/RHSA-2026:6713","tags":["vendor-advisory","x_refsource_REDHAT"]}],"metrics":[{"other":{"content":{"namespace":"https://access.redhat.com/security/updates/classification/","value":"Important"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-824","description":"Access of Uninitialized Pointer","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"redhat-SADP","orgId":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","dateUpdated":"2026-07-15T01:11:38.771Z"},"datePublic":"2026-03-09T21:40:42.117Z","solutions":[{"lang":"en","value":"RHSA-2026:6713: Red Hat Enterprise Linux Server (v. 7 ELS), Red Hat Enterprise Linux Server Optional (v. 7 ELS)"}],"timeline":[{"lang":"en","time":"2026-03-09T22:02:36.659Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-03-09T21:40:42.117Z","value":"Made public."}],"workarounds":[{"lang":"en","value":"Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}],"x_adpType":"supplier","x_generator":{"engine":"sadp-cli 1.0.0"}}]}}}