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 2025-04-20.

How severe is CVE-2025-43967?

Low severity. CVSS v3 base score is 2.9 out of 10.

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.

EPSS: 0.001 (27.3th percentile) — read the EPSS interpretation.

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.

Affected products

Struktur Libheif — versions 0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

github.com/strukturag/libheif/compare/v1.19.5...v1.19.6
github.com/strukturag/libheif/issues/1455
github.com/strukturag/libheif/commit/6e35af7b0ff9fb6cc952a1539590d160db32f671

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 2025-04-20.
How severe is CVE-2025-43967?: Low severity. CVSS v3 base score is 2.9 out of 10.