CVE-2022-48522
Publication date 22 August 2023
Last updated 26 August 2025
Ubuntu priority
Description
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
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| perl | ||
| 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
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 |
References
Related Ubuntu Security Notices (USN)
- USN-6517-1
- Perl vulnerabilities
- 27 November 2023