CVE-2025-43966 — NULL Pointer Dereference in Libheif

CWE-476 — NULL Pointer Dereference4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.2%
top 58.66%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Struktur LibheifDebian Libheif
Timeline
PublishedApr 21

Description

libheif before 1.19.6 has a NULL pointer dereference in ImageItem_iden in image-items/iden.cc.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/libheif< libheif 1.19.7-1 (forky)
▶NVDstruktur/libheif< 1.19.6
▶Debianstruktur/libheif< 1.19.7-1+1

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
OSV
CVE-2025-43966: libheif before 1↗2025-04-21
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GHSA
GHSA-7g9v-7vc7-pmrw: libheif before 1↗2025-04-21
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📋Vendor Advisories

1
Debian
CVE-2025-43966: libheif - libheif before 1.19.6 has a NULL pointer dereference in ImageItem_iden in image-...↗2025
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