CVE-2026-62291Proof of concept (PoC) published · CISA
libheif: Heap out of bounds write in libheif uncompressed encoder when writing images with mismatched auxiliary alpha dimensions
CVSS score
5.3
EPSS probability
%0.2
Risk score
0.0
Published
2 mo ago
Vulnerability Timeline (Change History)
CVE-2026-62291 historical changes made to the vulnerability by NVD, CISA and MITRE:
| Date | Actor / Source | Action / Description | Type | Previous value | New value |
|---|---|---|---|---|---|
| 09.09.2026 | nvd@nist.gov | Initial Analysis & CVSS Vector Assignment | CVSS V3.1 | — | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L |
| 18.08.2026 | CISA Coordinator | SSVC Risk Re-assessment | SSVC / KEV | exploitation: none | exploitation: none |
| 18.08.2026 | MITRE / NVD | New CVE Record Received & Ingested | CVE Created | — | CVE-2026-62291 |
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CVE-2026-62292libheif: Out-of-bounds read in uncompressed unci tile range slicing
Patch status unknownEPSS %1
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