Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-5318

19
FAUCET Score

CVE-2026-5318 describes an out-of-bounds write vulnerability in the JPEG DHT Parser component (HuffTable::initval function) of LibRaw versions up to 0.22.0. This medium-severity vulnerability (CVSS 4.3) can be exploited remotely with low attack complexity, requiring user interaction, and primarily impacts availability. Although not yet in CISA's Known Exploited Vulnerabilities catalog, a public exploit has been made available, indicating a heightened risk of future attacks. Organizations using LibRaw are advised to upgrade to version 0.22.1 to mitigate this issue.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.22.1CPE matchmatch criteria
cpe:2.3:a:libraw:libraw:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

2.1LOW

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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
PROOF_OF_CONCEPT
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.63%
Probability of exploitation in next 30 days
EPSS Percentile
46.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0063 is in the 50th percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (5)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: LibRaw
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libraw1394
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: LibRaw
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libraw1394
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: LibRaw

Vendor Advisories (1)

redhatCVE-2026-5318Moderate

LibRaw: LibRaw: Denial of Service via out-of-bounds write in JPEG DHT Parser

Apr 2, 2026

References

github.com / biniamf/pocs/tree/main/libraw_lljpeg
ExploitThird Party Advisory
github.com / LibRaw/LibRaw
Product
github.com / LibRaw/LibRaw/commit/a6734e867b19d75367c05f872ac26322464e3995
Patch
github.com / LibRaw/LibRaw/issues/794
Issue Tracking
github.com / LibRaw/LibRaw/issues/794
Issue Tracking
github.com / LibRaw/LibRaw/releases/tag/0.22.1
ProductRelease Notes
vuldb.com / submit/780538
ExploitThird Party AdvisoryVDB Entry
vuldb.com / vuln/354650
Third Party AdvisoryVDB Entry
vuldb.com / vuln/354650/cti
Permissions RequiredVDB Entry