CVE-2026-5318 PUBLISHED

LibRaw JPEG DHT losslessjpeg.cpp initval out-of-bounds write

Assigner: VulDB
Reserved: 01.04.2026 Published: 02.04.2026 Updated: 02.04.2026

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 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	None
User Interaction	Passive

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
CVSS Score: 4.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	None
User Interaction	Required	Availability Impact	Low

CVSS 3.1

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
CVSS Score: 4.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	None
User Interaction	Required	Availability Impact	Low

CVSS 3.0

CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C
CVSS Score: 5

Access Vector	Network	Confidentiality Impact	None
Access Complexity	Low	Integrity Impact	None
Authentication	None	Availability Impact	Partial

CVSS 2.0

Product Status

Vendor	n/a
Product	LibRaw
Versions	Version 0.1 is affected Version 0.2 is affected Version 0.3 is affected Version 0.4 is affected Version 0.5 is affected Version 0.6 is affected Version 0.7 is affected Version 0.8 is affected Version 0.9 is affected Version 0.10 is affected Version 0.11 is affected Version 0.12 is affected Version 0.13 is affected Version 0.14 is affected Version 0.15 is affected Version 0.16 is affected Version 0.17 is affected Version 0.18 is affected Version 0.19 is affected Version 0.20 is affected Version 0.21 is affected Version 0.22.0 is affected Version 0.22.1 is unaffected

CVE-2026-5318 PUBLISHED

LibRaw JPEG DHT losslessjpeg.cpp initval out-of-bounds write

Metrics

Product Status

Credits

References

Problem Types