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 vulnerability.
Vulnerability class: Integer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (44.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Libraw — versions 0.22.1, Commit 8dc68e2
Weakness classification (CWE)
References
- talosintelligence.com/vulnerability_reports/TALOS-2026-2364 (Exploit, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Exploit, Third Party Advisory)
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.