CVE-2026-20911: Buffer Overflow
A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of LibRaw Commit 0b56545 and Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
alpine/librawto a version that resolves this vulnerability.Fixed in 0.22.1-r0
Event History
Frequently Asked Questions
What is the severity of CVE-2026-20911?
CVE-2026-20911 has a critical severity rating of 9.8.
How do I fix CVE-2026-20911?
To fix CVE-2026-20911, update LibRaw to the latest version that addresses this vulnerability.
What type of vulnerability is CVE-2026-20911?
CVE-2026-20911 is classified as a heap-based buffer overflow vulnerability.
What can an attacker do with CVE-2026-20911?
An attacker can exploit CVE-2026-20911 by providing a specially crafted malicious file to trigger a heap buffer overflow.
Which software is affected by CVE-2026-20911?
The vulnerability CVE-2026-20911 affects the LibRaw software.