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CVE-2022-48522

Publication date 22 August 2023

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

In Perl 5.34.0, function S_find_uninit_var in sv.c has a stack-based crash that can lead to remote code execution or local privilege escalation.

Read the notes from the security team

Why is this CVE low priority?

infinite recursion when printing a warning, negligible security impact

Learn more about Ubuntu priority

Status

Package Ubuntu Release Status
perl 23.10 mantic
Not affected
23.04 lunar
Not affected
22.04 LTS jammy
Fixed 5.34.0-3ubuntu1.3
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

This is just an infinite recursion when trying to print a warning message causing the process to run out of stack space, this has a negligible security impact

Patch details

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

Package Patch details
perl

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H