Is CVE-2026-5318 actively exploited?

No active exploitation of CVE-2026-5318 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5318 be exploited remotely?

Yes. CVE-2026-5318 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-5318?

CVE-2026-5318 has a CVSS score of 4.3 (MEDIUM).

HOME VULNERABILITIESCVE-2026-5318

MEDIUM

CVE-2026-5318

CWE-119Published: April 2, 2026· Updated: Apr 7, 2026

4.3

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:3.9th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-5318 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.