{"affected":[{"defaultStatus":"unaffected","ecosystem":"https://ftp.gnu.org/gnu/grub/","packageName":"grub2","product":"","source":"CNA: redhat","vendor":"","versions":[{"lessThanOrEqual":"2.12","status":"affected","version":"0","versionType":"semver"}]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"grub2","product":"Red Hat Enterprise Linux 10","source":"CNA: redhat","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1:2.12-15.el10_0","versionType":"rpm"}]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"grub2","product":"Red Hat Enterprise Linux 9","source":"CNA: redhat","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1:2.06-104.el9_6","versionType":"rpm"}]},{"defaultStatus":"unknown","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"grub2","product":"Red Hat Enterprise Linux 7","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"unknown","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"grub2","product":"Red Hat Enterprise Linux 8","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"openshift/ose-rhel-coreos-9","product":"Red Hat OpenShift Container Platform 4","source":"CNA: redhat","vendor":"Red Hat","versions":[]}],"cveId":"CVE-2024-45781","cwes":["CWE-787"],"description":"A flaw was found in grub2. When reading a symbolic link's name from a UFS filesystem, grub2 fails to validate the string length taken as an input. The lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and eventually allowing an attacker to circumvent secure boot protections.","epss":{"date":"2026-11-04","percentile":0.23372,"score":0.00305},"exploits":[],"kev":null,"metrics":[{"score":6.7,"severity":"medium","source":"CNA: redhat","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1793883069250,"publishedAt":1739906757168,"references":[{"source":"CNA: redhat","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2025:16154"},{"source":"CNA: redhat","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2025:6990"},{"source":"CNA: redhat","tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2024-45781"},{"source":"CNA: redhat","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2345857"}],"remediation":[{"kind":"workaround","source":"CNA: redhat","text":"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."}],"revision":"487d85352576b1cbf24b5858dfeec58613bb32aae7f5469580beee4e8768589a","sources":[{"modifiedAt":1793883069250,"name":"CNA: redhat","retrievedAt":1793884149524,"url":"https://www.cve.org/CVERecord?id=CVE-2024-45781"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793884200690,"url":"https://api.first.org/data/v1/epss?cve=CVE-2024-45781"}],"ssvc":{"assessedAt":1739976203432,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"Grub2: fs/ufs: oob write in the heap","updatedAt":1793884200690}