NULL pointer dereference in Struktur Libheif
CVE-2025-43967
libheif before 1.19.6 has a NULL pointer dereference in ImageItem_Grid::get_decoder in image-items/grid.cc because a grid image can reference a nonexistent image item.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.004 (34.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Struktur Libheif — versions 0
Weakness classification (CWE)
References
- github.com/strukturag/libheif/compare/v1.19.5...v1.19.6 (Patch, Release Notes)
- github.com/strukturag/libheif/issues/1455 (Exploit, Issue Tracking)
- github.com/strukturag/libheif/commit/6e35af7b0ff9fb6cc952a1539590d160db32f671 (Patch)
Frequently asked questions
- What is CVE-2025-43967?
- CVE-2025-43967 is a low-severity vulnerability in Struktur Libheif, classified under NULL Pointer Dereference. CVSS score: 2.9/10. Published 2025-04-21.
- How severe is CVE-2025-43967?
- Low severity. CVSS v3 base score is 2.9 out of 10.