What is CVE-2026-20884?

CVE-2026-20884 is a high-severity vulnerability in Libraw, classified under Integer Overflow or Wraparound. CVSS score: 8.1/10. Published 2026-04-07.

How severe is CVE-2026-20884?

High severity. CVSS v3 base score is 8.1 out of 10.

Integer overflow in Libraw

CVE-2026-20884

An integer overflow vulnerability exists in the deflate_dng_load_raw functionality of LibRaw Commit 8dc68e2. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vu…

Vulnerability class: Integer Overflow

EPSS: 0.001 (23.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Libraw — versions Commit 8dc68e2

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

https://talosintelligence.com/vulnerability_reports/TALOS-2026-2364

Frequently asked questions

What is CVE-2026-20884?: CVE-2026-20884 is a high-severity vulnerability in Libraw, classified under Integer Overflow or Wraparound. CVSS score: 8.1/10. Published 2026-04-07.
How severe is CVE-2026-20884?: High severity. CVSS v3 base score is 8.1 out of 10.