Is CVE-2026-5342 actively exploited?

No active exploitation of CVE-2026-5342 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5342 be exploited remotely?

Yes. CVE-2026-5342 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-5342?

CVE-2026-5342 has a CVSS score of 5.3 (MEDIUM).

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MEDIUM

CVE-2026-5342

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

5.3

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:14.1th

Official 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.

NVD Source

Technical Analysis

CVE-2026-5342 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

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