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CVE-2023-46361

Publication date 31 October 2023

Last updated 4 October 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

Artifex Software jbig2dec v0.20 was discovered to contain a SEGV vulnerability via jbig2_error at /jbig2dec/jbig2.c.

Read the notes from the security team

Why is this CVE low priority?

Just a denial of service in a command line tool

Learn more about Ubuntu priority

Status

Package Ubuntu Release Status
jbig2dec 24.10 oracular
Vulnerable
24.04 LTS noble
Vulnerable
23.10 mantic Ignored end of life, was needed
23.04 lunar Ignored end of life, was needed
22.04 LTS jammy
Vulnerable
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes

mdeslaur

null pointer dereference bug listed below contains similar issue

ccdm94

focal and earlier are not affected by this issue, as they do not include the changes from commit f9d37c7c, meaning, the uninitialized variable that causes the issue is not present in the code.

mdeslaur

This is just an out-of-bounds read in a command-line tool resulting in a denial of service.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
jbig2dec

Severity score breakdown

Parameter Value
Base score 6.5 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H