CVE-2026-5318: LibRaw JPEG DHT losslessjpeg.cpp initval out-of-bounds write
A weakness has been identified in LibRaw up to 0.22.0. This impacts the function HuffTable::initval of the file src/decompressors/losslessjpeg.cpp of the component JPEG DHT Parser. This manipulation of the argument bits[] causes out-of-bounds write. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 0.22.1 will fix this issue. Patch name: a6734e867b19d75367c05f872ac26322464e3995. It is advisable to upgrade the affected component.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2026-5318?
CVE-2026-5318 has been classified as a vulnerability that allows for out-of-bounds write which can lead to potential code execution.
How do I fix CVE-2026-5318?
To fix CVE-2026-5318, upgrade LibRaw to version 0.22.1 or later.
What components are affected by CVE-2026-5318?
CVE-2026-5318 affects the HuffTable::initval function within the losslessjpeg.cpp file of LibRaw.
What versions of LibRaw are impacted by CVE-2026-5318?
LibRaw versions up to and including 0.22.0 are impacted by CVE-2026-5318.
What type of vulnerability is CVE-2026-5318?
CVE-2026-5318 is categorized as a memory corruption vulnerability due to an out-of-bounds write.