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CVE-2026-5342

5.3 · MEDIUM

A flaw has been found in LibRaw up to 0.22.0.

Published Apr 2, 2026CWE-119EPSS 0.98%

Overview

CVE-2026-5342 is a medium-severity vulnerability. It was published on April 2, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A flaw has been found in LibRaw up to 0.22.0. This affects the function LibRaw::nikon_load_padded_packed_raw of the file src/decoders/decoders_libraw.cpp of the component TIFF/NEF. Executing a manipulation of the argument load_flags/raw_width can lead to out-of-bounds read. It is possible to launch the attack remotely. The exploit has been published and may be used. Upgrading to version 0.22.1 mitigates this issue. This patch is called b8397cd45657b84e88bd1202528d1764265f185c. 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/b8397cd45657b84e88bd1202528d1764265f185cGitHubgithub.com/LibRaw/LibRaw/issues/795GitHubgithub.com/LibRaw/LibRaw/issues/795#issuecomment-4073769886GitHubgithub.com/LibRaw/LibRaw/releases/tag/0.22.1GitHubgithub.com/biniamf/pocs/tree/main/libraw_nikonpaddedRefvuldb.com/submit/781223Refvuldb.com/vuln/354671Refvuldb.com/vuln/354671/cti

How CyberStrike helps

Frequently asked questions

What is CVE-2026-5342?

CVE-2026-5342 is a medium-severity vulnerability. It was published on April 2, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-5342?

This vulnerability has a CVSS 3.1 base score of 5.3, 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-2026-5342?

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-2026-5342?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-5342 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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