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.

CVSS v3 4.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:libraw:libraw:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-04-02 03:16

Updated : 2026-06-17 10:58

NVD link : CVE-2026-5318

Mitre link : CVE-2026-5318

CVE.ORG link : CVE-2026-5318

JSON object : View

Products Affected

libraw

libraw

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-787

Out-of-bounds Write

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