How severe is CVE-2025-43967?

CVE-2025-43967 has a CVSS 3.x base score of 2.9, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-43967 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-43967?

CVE-2025-43967 affects Struktur Libheif. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-43967?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-43967 have an EU (EUVD) identifier?

Yes. CVE-2025-43967 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11957.

When was CVE-2025-43967 published?

CVE-2025-43967 was published on 2025-04-21 and last updated on 2026-06-17.

CVE-2025-43967

CVE-2025-43967 is a low-severity vulnerability in Struktur Libheif with a CVSS 3.x base score of 2.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Low (CVSS 3.x base score 2.9)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-11957
Weakness: CWE-476
Affected product: Struktur Libheif
Published: 2025-04-21
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-43967?: CVE-2025-43967 has a CVSS 3.x base score of 2.9, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-43967 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-43967?: CVE-2025-43967 affects Struktur Libheif. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-43967?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-43967 have an EU (EUVD) identifier?: Yes. CVE-2025-43967 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11957.
When was CVE-2025-43967 published?: CVE-2025-43967 was published on 2025-04-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:struktur:libheif:*:*:*:*:*:*:*:*

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