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CVE-2026-5318

4.3 · MEDIUM

A weakness has been identified in LibRaw up to 0.22.0.

Published Apr 2, 2026CWE-119EPSS 0.78%

Overview

CVE-2026-5318 is a medium-severity vulnerability. It was published on April 2, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/LibRaw/LibRaw/GitHubgithub.com/LibRaw/LibRaw/commit/a6734e867b19d75367c05f872ac26322464e3995GitHubgithub.com/LibRaw/LibRaw/issues/794GitHubgithub.com/LibRaw/LibRaw/issues/794#issuecomment-4065342499GitHubgithub.com/LibRaw/LibRaw/releases/tag/0.22.1GitHubgithub.com/biniamf/pocs/tree/main/libraw_lljpegRefvuldb.com/submit/780538Refvuldb.com/vuln/354650Refvuldb.com/vuln/354650/cti

How CyberStrike helps

Frequently asked questions

What is CVE-2026-5318?

CVE-2026-5318 is a medium-severity vulnerability. It was published on April 2, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-5318?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-5318?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-5318?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-5318 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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