CVE-2022-32201 : In libjpeg 1.63, there is a NULL pointer dereference in Component::SubXOf in com

In libjpeg 1.63, there is a NULL pointer dereference in Component::SubXOf in component.hpp.

Published 2022-06-02 14:16:01

Updated 2022-06-10 16:18:36

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2022-32201

Libjpeg Project » Libjpeg » Version: 1.63
cpe:2.3:a:libjpeg_project:libjpeg:1.63:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 22 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: nvd@nist.gov (Primary)

https://github.com/thorfdbg/libjpeg/issues/73

null pointer dereference in Component::SubXOf in component.hpp · Issue #73 · thorfdbg/libjpeg · GitHub
Exploit;Issue Tracking;Third Party Advisory
https://github.com/thorfdbg/libjpeg/commit/ea6315164b1649ff932a396b7600eac4bffcfaba

Added a check whether all components in a scan are actually present. · thorfdbg/libjpeg@ea63151 · GitHub
Patch;Third Party Advisory

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