Answer in brief
CVE-2024-45774 records a Medium severity (CVSS 6.7) vulnerability in Grub2: reader/jpeg: heap oob write during jpeg parsing. The current sources do not mark it as known exploited. The current feed maps Red Hat/grub2 (generic), grub2 (generic), Red Hat/openshift/ose-rhel-coreos-9 (generic), Red Hat/rhcos (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Red Hat/grub2 (generic), grub2 (generic), Red Hat/openshift/ose-rhel-coreos-9 (generic), Red Hat/rhcos (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Red Hat/grub2generic | * | Not reported |
| grub2generic | >=0 <=2.12 | Not reported |
| Red Hat/openshift/ose-rhel-coreos-9generic | * | Not reported |
| Red Hat/rhcosgeneric | * | Not reported |
Published upstream
Feb 18, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 25, 2026
A flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of its internal buffers, resulting in an out-of-bounds write. The possibility of overwriting sensitive information to bypass secure boot protections is not discarded.
Quoted source text, attributed separately from HOL analysis.