Heap-based buffer overflow in LibRaw - CVE-2026-20911
Published: April 8, 2026
Vulnerability identifier: #VU125196
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20911
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the HuffTable::initval functionality. A remote attacker can pass specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
LibRaw
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Workstation Extension 15
libraw16-debuginfo
libraw-debugsource
libraw-debuginfo
libraw16
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Workstation Extension 15
libraw16-debuginfo
libraw-debugsource
libraw-debuginfo
libraw16
How to mitigate CVE-2026-20911
Install updates from vendor's website.
libraw16-debuginfo - update to 0.18.9-150000.3.33.1
libraw-debugsource - update to 0.18.9-150000.3.33.1
libraw-debuginfo - update to 0.18.9-150000.3.33.1
libraw16 - update to 0.18.9-150000.3.33.1
libraw-debugsource - update to 0.18.9-150000.3.33.1
libraw-debuginfo - update to 0.18.9-150000.3.33.1
libraw16 - update to 0.18.9-150000.3.33.1