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N A CVE-2026-5342

| EUVDEUVD-2026-18344 MEDIUM
Out-of-bounds Read (CWE-125)
2026-04-02 VulDB GHSA-jp35-q64r-j6gf
Buffer Overflow Information Disclosure N A Libraw
5.5
CVSS 4.0 · Vendor: VulDB
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Severity by source

Vendor (VulDB) PRIMARY
5.5 MEDIUM
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
SUSE
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Red Hat
5.3 MEDIUM
qualitative

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

5
PoC Detected
Apr 07, 2026 - 12:16 vuln.today
Public exploit code
EUVD ID Assigned
Apr 02, 2026 - 15:00 euvd
EUVD-2026-18344
Analysis Generated
Apr 02, 2026 - 15:00 vuln.today
Patch released
Apr 02, 2026 - 15:00 nvd
Patch available
CVE Published
Apr 02, 2026 - 14:30 nvd
MEDIUM 5.5

DescriptionCVE.org

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.

AnalysisAI

Out-of-bounds read in LibRaw up to 0.22.0 allows remote unauthenticated attackers to cause denial of service via manipulation of load_flags or raw_width parameters in the TIFF/NEF decoder (nikon_load_padded_packed_raw function). Publicly available exploit code exists, and vendor-released patch version 0.22.1 is available. CVSS 5.3 with low availability impact and confirmed exploit publication indicates moderate real-world risk.

Technical ContextAI

LibRaw is a C++ library for reading RAW image formats from digital cameras. The vulnerability exists in the Nikon NEF/TIFF decoder component, specifically in the nikon_load_padded_packed_raw function in src/decoders/decoders_libraw.cpp. The flaw is a CWE-125 (Out-of-bounds Read) that occurs when the load_flags or raw_width parameters are maliciously crafted, causing the decoder to read memory beyond allocated buffer boundaries. This affects any application that uses LibRaw to process untrusted Nikon NEF image files, as the library performs minimal validation of these parameters before using them for buffer indexing operations. The attack vector is network-based, requiring only delivery of a malicious NEF file to trigger the out-of-bounds read.

RemediationAI

Vendor-released patch: LibRaw version 0.22.1 or later. The upstream fix commit b8397cd45657b84e88bd1202528d1764265f185c is available at https://github.com/LibRaw/LibRaw/commit/b8397cd45657b84e88bd1202528d1764265f185c. All applications and tools that depend on LibRaw should upgrade to 0.22.1 or later. Organizations unable to upgrade immediately should restrict acceptance of untrusted NEF files or disable NEF processing in LibRaw-dependent applications. Validation of raw_width and load_flags parameters at application boundaries provides limited additional protection but is not a complete mitigation. Reference vendor advisory at https://github.com/LibRaw/LibRaw/issues/795 for additional technical details.

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Vendor StatusVendor

SUSE

Severity: Medium
Product Status
openSUSE Tumbleweed Fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS Affected

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CVE-2026-5342 vulnerability details – vuln.today
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