CVE-2026-5342

Name: CVE-2026-5342
Creator: NVD / NIST
Published: 2026-04-02T15:16:53.343+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.73%

Last modified Jun 17, 2026

CVE-2026-5342 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.73% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS 4.0

5.5/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.73%

49.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Libraw	Libraw	< 0.22.1

References

https://github.com/LibRaw/LibRaw/Product
https://github.com/LibRaw/LibRaw/commit/b8397cd45657b84e88bd1202528d1764265f185cPatch
https://github.com/LibRaw/LibRaw/issues/795Issue Tracking
https://github.com/LibRaw/LibRaw/issues/795#issuecomment-4073769886Issue Tracking
https://github.com/LibRaw/LibRaw/releases/tag/0.22.1Product, Release Notes
https://github.com/biniamf/pocs/tree/main/libraw_nikonpaddedExploit, Third Party Advisory
https://vuldb.com/submit/781223Exploit, Third Party Advisory, VDB Entry
https://vuldb.com/vuln/354671Third Party Advisory, VDB Entry
https://vuldb.com/vuln/354671/ctiPermissions Required, VDB Entry

Timeline

Published: Apr 2, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-5342?

How severe is CVE-2026-5342?

CVE-2026-5342 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.

How do I fix CVE-2026-5342?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-5342?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST