CVE-2026-5318
A weakness has been identified in LibRaw up to 0.22.0.
Does this matter?
Lower severity and a low EPSS score (0.63%). Track it; it rarely justifies an emergency change on its own.
Description
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 4.0
- 2.1 LOWCVSS: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/M
- EPSS
- 0.63% probability · 50th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-787
- Affected
- libraw/libraw
- Source
- cna@vuldb.com
EPSS 0.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/LibRaw/LibRaw/Product
- https://github.com/LibRaw/LibRaw/commit/a6734e867b19d75367c05f872ac26322464e3995Patch
- https://github.com/LibRaw/LibRaw/issues/794Issue Tracking
- https://github.com/LibRaw/LibRaw/issues/794#issuecomment-4065342499Issue Tracking
- https://github.com/LibRaw/LibRaw/releases/tag/0.22.1Product, Release Notes
- https://github.com/biniamf/pocs/tree/main/libraw_lljpegExploit, Third Party Advisory
- https://vuldb.com/submit/780538Exploit, Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/354650Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/354650/ctiPermissions Required, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.