Vulnerability DatabaseCVE-2022-31796
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CVE-2022-31796
Published:May 29, 2022
Updated:May 25, 2026
libjpeg 1.63 has a heap-based buffer over-read in HierarchicalBitmapRequester::FetchRegion in hierarchicalbitmaprequester.cpp because the MCU size can be different between allocation and use.
Related Resources (4)
https://github.com/thorfdbg/libjpeg/commit/187035b9726710b4fe11d565c7808975c930895d
https://github.com/thorfdbg/libjpeg/issues/71
https://security-tracker.debian.org/tracker/CVE-2022-31796
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-31796
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Read
CWE-125
EPSS
Base Score:
0.28