CVE-2026-20884 Integer overflow in LibRaw
An integer overflow in LibRaw's deflate_dng_load_raw function allows attackers to trigger a heap buffer overflow via a malicious file, potentially leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-20884?
CVE-2026-20884 is a high-severity vulnerability in Libraw Libraw, published on 7 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-190
Which versions are affected by CVE-2026-20884?
It affects 1 product.
Products include Libraw Libraw.
How do I fix CVE-2026-20884?
Upgrade to a fixed version.
Is CVE-2026-20884 being exploited?
There is no known exploitation of CVE-2026-20884 in the wild and no public exploit code.
Other vulnerabilities in Libraw Libraw
Sources
Also known as AZL-82949, DEBIAN-CVE-2026-20884, ECHO-e74f-830c-cd04, GHSA-ghvx-hc97-wc4v, JLSEC-2026-1113, UBUNTU-CVE-2026-20884.