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

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2026-5318
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-02 03:16:07 UTC
Updated2026-04-02 03:16:07 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 5.3 MEDIUM from [email protected]

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/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

Problem Types: CWE-119 | CWE-787 | CWE-787 Out-of-bounds Write | CWE-119 Memory Corruption

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary5.3MEDIUMCVSS: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/C...
4.0CNADECLARED5.3MEDIUMCVSS: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
3.1[email protected]Primary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
3.1CNADECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
3.0CNADECLARED4.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
2.0[email protected]Secondary5AV:N/AC:L/Au:N/C:N/I:N/A:P
2.0CNADECLARED5AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Passive
Confidentiality
None
Integrity
None
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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/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

CVSS v3.1 Breakdown

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CVSS v3.0 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na LibRaw affected 0.1 Not specified
CNA Na LibRaw affected 0.2 Not specified
CNA Na LibRaw affected 0.3 Not specified
CNA Na LibRaw affected 0.4 Not specified
CNA Na LibRaw affected 0.5 Not specified
CNA Na LibRaw affected 0.6 Not specified
CNA Na LibRaw affected 0.7 Not specified
CNA Na LibRaw affected 0.8 Not specified
CNA Na LibRaw affected 0.9 Not specified
CNA Na LibRaw affected 0.10 Not specified
CNA Na LibRaw affected 0.11 Not specified
CNA Na LibRaw affected 0.12 Not specified
CNA Na LibRaw affected 0.13 Not specified
CNA Na LibRaw affected 0.14 Not specified
CNA Na LibRaw affected 0.15 Not specified
CNA Na LibRaw affected 0.16 Not specified
CNA Na LibRaw affected 0.17 Not specified
CNA Na LibRaw affected 0.18 Not specified
CNA Na LibRaw affected 0.19 Not specified
CNA Na LibRaw affected 0.20 Not specified
CNA Na LibRaw affected 0.21 Not specified
CNA Na LibRaw affected 0.22.0 Not specified
CNA Na LibRaw unaffected 0.22.1 Not specified

References

ReferenceSourceLinkTags
github.com/LibRaw/LibRaw/issues/794 [email protected] github.com
vuldb.com/vuln/354650 [email protected] vuldb.com
github.com/LibRaw/LibRaw [email protected] github.com
github.com/LibRaw/LibRaw/commit/a6734e867b19d75367c05f872ac26322464e3995 [email protected] github.com
github.com/LibRaw/LibRaw/issues/794 [email protected] github.com
vuldb.com/submit/780538 [email protected] vuldb.com
vuldb.com/vuln/354650/cti [email protected] vuldb.com
github.com/biniamf/pocs/tree/main/libraw_lljpeg [email protected] github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: biniam (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-04-01T00:00:00.000ZAdvisory disclosed
CNA2026-04-01T02:00:00.000ZVulDB entry created
CNA2026-04-01T16:18:30.000ZVulDB entry last update
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