LibRaw up to 0.22.0 TIFF/NEF decoders_libraw.cpp nikon_load_padded_packed_raw load_flags/raw_width out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in LibRaw up to 0.22.0. This impacts the function LibRaw::nikon_load_padded_packed_raw of the file src/decoders/decoders_libraw.cpp of the component TIFF/NEF. The manipulation of the argument load_flags/raw_width leads to out-of-bounds. This vulnerability is documented as CVE-2026-5342. The attack can be initiated remotely. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in LibRaw up to 0.22.0. It has been rated as problematic. This issue affects the function LibRaw::nikon_load_padded_packed_raw of the file src/decoders/decoders_libraw.cpp of the component TIFF/NEF. The manipulation of the argument load_flags/raw_width with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-5342. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 310541 (Fedora 44 : mingw-LibRaw (2026-a436c41faf)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.22.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch b8397cd45657b84e88bd1202528d1764265f185c is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (310541) and EUVD (EUVD-2026-18344). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 310541
Nessus Name: Fedora 44 : mingw-LibRaw (2026-a436c41faf)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: LibRaw 0.22.1
Patch: b8397cd45657b84e88bd1202528d1764265f185c

Timelineinfo

04/01/2026 Advisory disclosed
04/01/2026 +0 days VulDB entry created
04/28/2026 +27 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 795
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-5342 (🔒)
GCVE (CVE): GCVE-0-2026-5342
GCVE (VulDB): GCVE-100-354671
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/01/2026 16:57
Updated: 04/28/2026 06:08
Changes: 04/01/2026 16:57 (63), 04/02/2026 19:59 (1), 04/07/2026 13:31 (1), 04/28/2026 06:08 (2)
Complete: 🔍
Submitter: biniam
Cache ID: 216::103

Submitinfo

Accepted

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