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Vulnerabilities

Vulnerability · CVE-2022-48522

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.

Published Aug 22, 2023 · catalog updated Oct 14, 2026 · In Perl 5.34.0, function

Check if you run it

No confirmed exploitation is on record for CVE-2022-48522. EPSS is 3.46%. Act only if a listed version of In Perl 5.34.0, function is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (In Perl 5.34.0, function).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
3.46%
Remediation
Advisory link
Affected products
cpe perl/perl

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe perl/perl5.34.0

How to fix CVE-2022-48522

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2022-48522. EPSS is 3.46%. Act only if a listed version of In Perl 5.34.0, function is installed.

Which versions are affected?

Compare what you have installed with 5.34.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-787: Out-of-bounds Write. EPSS 3.46%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 22, 2023 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2022-48522

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-48522

    30-day exploitation probability 3.5%

    first.org
  • NIST NVDVulnerability recordCVE-2022-48522

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.