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.
Affected products
perl: perl
References5
- github.com/Perl/perl5/blob/79a7b254d85a10b65126ad99bf10e7048056… Exploit
- github.com/Perl/perl5/blob/79a7b254d85a10b65126ad99bf10e7048056… Exploit
- security.netapp.com/advisory/ntap-20230915-0008/
- security.netapp.com/advisory/ntap-20230915-0008/
- cert-portal.siemens.com/productcert/html/ssa-398330.html
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 3% percentile: 89 · as of 5 November 2026
- CWE
- CWE-787
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.