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-2022-31796

22
FAUCET Score

CVE-2022-31796 describes a heap-based buffer over-read vulnerability in libjpeg version 1.63, specifically within the HierarchicalBitmapRequester::FetchRegion function, due to a mismatch in MCU size during allocation and use. This flaw carries a CVSS score of 6.5 (Medium), indicating a network-based attack with low complexity, requiring user interaction, and potentially leading to high availability impact. While no active exploitation, public exploit code, or significant community discussion has been observed, organizations utilizing affected versions of libjpeg should consider patching to mitigate the risk.

Impacted Technologies

VendorProductVersion(s)CPE
1.63CPE matchmatch criteria
cpe:2.3:a:jpeg:libjpeg:1.63:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.87%
Probability of exploitation in next 30 days
EPSS Percentile
55.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0087 is in the 66th percentile among its peer group of 26,219 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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / thorfdbg/libjpeg/commit/187035b9726710b4fe11d565c7808975c930895d
PatchThird Party Advisory
github.com / thorfdbg/libjpeg/issues/71
Third Party Advisory