CVE-2021-22563

MEDIUM
Published Nov 1, 20214y ago · Modified Jun 17, 20262w ago
4.4 CVSS 3.1
Medium
Find Similar
Published Nov 1, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

Description

Invalid JPEG XL images using libjxl can cause an out of bounds access on a std::vector<std::vector<T>> when rendering splines. The OOB read access can either lead to a segfault, or rendering splines based on other process memory. It is recommended to upgrade past 0.6.0 or patch with https://github.com/libjxl/libjxl/pull/757

CVSS Details

Base Score
4.4
Exploitability
1.8
Impact
2.5
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Low
Availability Low

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 2

CWE-125 Out-of-bounds Read Memory Safety
CWE-126

Affected Products 1

VendorProductVersionRange
libjxl_projectlibjxl* <0.6.0

References 2

  • github.com https://github.com/libjxl/libjxl/issues/735
    ExploitIssue TrackingPatchThird Party Advisory
  • github.com https://github.com/libjxl/libjxl/pull/757
    PatchThird Party Advisory

Remediation

  • github.com https://github.com/libjxl/libjxl/issues/735
    ExploitIssue TrackingPatchThird Party Advisory
  • github.com https://github.com/libjxl/libjxl/pull/757
    PatchThird Party Advisory