Vulnerability Monitor

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CVE-2026-5318

A weakness has been identified in LibRaw up to 0.22.0. This impacts the function HuffTable::initval of the file src/decompressors/losslessjpeg.cpp of the component JPEG DHT Parser. This manipulation of the argument bits[] causes out-of-bounds write. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 0.22.1 will fix this issue. Patch name: a6734e867b19d75367c05f872ac26322464e3995. It is advisable to upgrade the affected component.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.3, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts and limited availability for affected systems. Impacting 1 product from libraw organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2026, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2026-04-02T03:16:07.080

Last Modified

2026-06-17T10:58:48.457

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-119
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	libraw	libraw	< 0.22.1	Yes

References

https://github.com/LibRaw/LibRaw/ Product ([email protected])
https://github.com/LibRaw/LibRaw/commit/a6734e867b19d75367c05f872ac26322464e3995 Patch ([email protected])
https://github.com/LibRaw/LibRaw/issues/794 Issue Tracking ([email protected])
https://github.com/LibRaw/LibRaw/issues/794#issuecomment-4065342499 Issue Tracking ([email protected])
https://github.com/LibRaw/LibRaw/releases/tag/0.22.1 Product, Release Notes ([email protected])
https://github.com/biniamf/pocs/tree/main/libraw_lljpeg Exploit, Third Party Advisory ([email protected])
https://vuldb.com/submit/780538 Exploit, Third Party Advisory, VDB Entry ([email protected])
https://vuldb.com/vuln/354650 Third Party Advisory, VDB Entry ([email protected])
https://vuldb.com/vuln/354650/cti Permissions Required, VDB Entry ([email protected])

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For libraw's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.