---
id: CVE-2022-48522
title: >-
  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.
summary: >-
  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.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-787
vendor: perl
product: perl
affected:
  - perl = 5.34.0
published: '2023-08-22'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T19:16:56.413'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2022-48522'
references:
  - url: >-
      https://github.com/Perl/perl5/blob/79a7b254d85a10b65126ad99bf10e70480569d68/sv.c#L16336-L16345
    label: cve@mitre.org
  - url: 'https://security.netapp.com/advisory/ntap-20230915-0008/'
    label: cve@mitre.org
  - url: >-
      https://github.com/Perl/perl5/blob/79a7b254d85a10b65126ad99bf10e70480569d68/sv.c#L16336-L16345
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://security.netapp.com/advisory/ntap-20230915-0008/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-398330.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.03463
epssPercentile: 0.88985
ingestedAt: '2026-10-14T19:49:57.531Z'
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2024-10-03T14:20:55.608211Z'
---

## Overview

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.

## Affected

- `perl = 5.34.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.