TI-2026-04650 Aliases CVE-2026-5318 GHSA-8qw7-rqx6-9gqj

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

MEDIUM 57CWE-119Published 2026-04-02 · Updated 2026-04-07

Key facts

Attack vector: Network
Privileges required: None
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: None · None · Low
Fix status: Partial Red Hat: 4 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00641 50th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix Partial LibRaw: 0.22.1Red Hat: 4 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	LibRaw	0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; 0.9; 0.10; 0.11; 0.12; 0.13; 0.14; 0.15; 0.16; 0.17; 0.18; 0.19; 0.20; 0.21; 0.22.0	0.22.1	Patch available	CNA

LibRaw Vendor— Affected 0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; 0.9; 0.10; 0.11; 0.12; 0.13; 0.14; 0.15; 0.16; 0.17; 0.18; 0.19; 0.20; 0.21; 0.22.0 Fixed in 0.22.1 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:libraw:libraw::::::::	before 0.22.1	Vulnerable	LibRaw

cpe:2.3:a:libraw:libraw:*:*:*:*:*:*:*:* Versions before 0.22.1 Vulnerable ·LibRaw

Remediation

Fix · CNA LibRaw Fixed in 0.22.1

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 6	Affected	No fix planned: Out of support scope
Red Hat Enterprise Linux 7	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 8	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 9	Affected	No fix yet: Fix deferred

Timeline

2026-10-02 Threatist record created from CVE-2026-5318
2026-10-03 Alias added: GHSA-8qw7-rqx6-9gqj
2026-10-25 EPSS moved to the below the 50th percentile
2026-10-28 EPSS moved to the 50th–90th percentile

References

Exploit 1

https://github.com/biniamf/pocs/tree/main/libraw_lljpeg

Patch 2

Other 3

TI-2026-04674 LibRaw TIFF/NEF decoders_libraw.cpp nikon_load_padded_packed_raw out-of-bounds CVSS 4.0MEDIUM 6.9
TI-2020-14361 Buffer Overflow vulnerability in LibRaw::stretch() function in libraw\src\postprocessing\aspect_ratio.cpp. CVSS 3.1MEDIUM 6.5
TI-2015-06888 The phase_one_correct function in Libraw before 0.17.1 allows attackers to cause memory… CVSS 3.1CRITICAL 9.8
TI-2026-16934 A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality… CVSS 3.1CRITICAL 9.8
TI-2026-16915 Integer overflow in LibRaw CVSS 3.1CRITICAL 9.8
TI-2015-06887 Array index error in smal_decode_segment function in LibRaw before 0.17.1 allows… CVSS 3.1CRITICAL 9.8

See all 62 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences