CVE-2026-5318: LibRaw

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

CVSS 5.3 MediumEPSS 0.0064 · 50th percentile

Published by the CVE Program (CNA: VulDB) at 2 Apr 2026, 01:45 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Not given	LibRaw	affected 0.1 affected 0.2 affected 0.3 affected 0.4 affected 0.5 affected 0.6 affected 0.7 affected 0.8 affected 0.9 affected 0.10 affected 0.11 affected 0.12 and 11 more

Identifiers

CVE-2026-5318

CNA

VulDB

Weakness (CWE)

CWE-119 · CWE-787

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.3	Medium	4.0	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	CNA (VulDB)Used for this record
4.3	Medium	3.1	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	CNA (VulDB)
4.3	Medium	3.0	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	CNA (VulDB)
5.0	Medium	2.0	AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C	CNA (VulDB)

CISA KEV Not listed.
EPSS 0.0064, the 50th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 2 Apr 2026. New records show when each source confirmed them.

Sources

References from the CNA

vuldb.com/vuln/354650 vdb-entrytechnical-description
vuldb.com/vuln/354650/cti signaturepermissions-required
vuldb.com/submit/780538 third-party-advisory
github.com/LibRaw/LibRaw/issues/794 issue-tracking
github.com/LibRaw/LibRaw/issues/794#issuecomment-4065342499 issue-tracking
github.com/LibRaw/LibRaw/commit/a6734e867b19d75367c05f872ac26322464e3995 patch
github.com/LibRaw/LibRaw/releases/tag/0.22.1 patch
github.com/LibRaw/LibRaw/ product
github.com/biniamf/pocs/tree/main/libraw_lljpeg exploit

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.