CVE catalog

CVE-2022-48522

perl: CVE-2022-48522

Severity: Critical · CVSS 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Published: Jan 1, 2022, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 3.46% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	perl	sid	`5.42.3-1`	fixed
Debian	perl	forky	`5.42.3-1`	fixed
Debian	perl	trixie	`5.40.1-6+deb13u1`	fixed
Debian	perl	bookworm	`5.36.0-7+deb12u3`	fixed
Debian	perl	bookworm-security	`5.36.0-7+deb12u4`	fixed
Cpe	perl	Not reported	Not reported	unknown
Ubuntu	perl	20.04	`5.28.1-6build1`	vulnerable
Ubuntu	perl	20.04	`5.30.0-7`	vulnerable
Ubuntu	perl	20.04	`5.30.0-9`	vulnerable
Ubuntu	perl	20.04	`5.30.0-9build1`	vulnerable
Ubuntu	perl	20.04	`5.30.0-9ubuntu0.2`	vulnerable
Ubuntu	perl	20.04	`5.30.0-9ubuntu0.3`	vulnerable
Ubuntu	perl	20.04	`5.30.0-9ubuntu0.4`	vulnerable
Ubuntu	perl	20.04	`5.30.0-9ubuntu0.5`	fixed
Ubuntu	perl	22.04	`5.32.1-3ubuntu3`	vulnerable
Ubuntu	perl	22.04	`5.34.0-3ubuntu1`	vulnerable
Ubuntu	perl	22.04	`5.34.0-3ubuntu1.1`	vulnerable
Ubuntu	perl	22.04	`5.34.0-3ubuntu1.2`	vulnerable
Ubuntu	perl	22.04	`5.34.0-3ubuntu1.3`	fixed
Ubuntu	perl	22.04	`5.32.1-3ubuntu3`	vulnerable
Ubuntu	perl	22.04	`5.34.0-3ubuntu1`	vulnerable
Ubuntu	perl	22.04	`5.34.0-3ubuntu1.1`	vulnerable
Ubuntu	perl	22.04	`5.34.0-3ubuntu1.2`	vulnerable
Ubuntu	perl	22.04	`5.34.0-3ubuntu1.3`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	perl	source	sid	`5.36.0-4`	unimportant	Not reported	Not reported
Debian	perl	source	forky	`5.36.0-4`	unimportant	Not reported	Not reported
Debian	perl	source	trixie	`5.36.0-4`	unimportant	Not reported	Not reported
Debian	perl	source	bookworm	`5.36.0-4`	unimportant	Not reported	Not reported
Ubuntu	perl	deb	20.04	`5.30.0-9ubuntu0.5`	Not reported	USN-6517-1	Not reported
Ubuntu	perl	deb	22.04	`5.34.0-3ubuntu1.3`	Not reported	USN-6517-1	Not reported
Ubuntu	perl	deb	22.04	`5.34.0-3ubuntu1.3`	Not reported	UBUNTU-CVE-2022-48522	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libperl5.36]Fixed
Source package: [perl]
Details (4)
- 5.36.0-7+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · amd64 · bookworm-security
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · arm64 · bookworm-security
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
[libperl-dev]Fixed
Source package: [perl]
Details (4)
- 5.36.0-7+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · amd64 · bookworm-security
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · arm64 · bookworm-security
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
[perl]Fixed
Details (4)
- 5.36.0-7+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · amd64 · bookworm-security
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · arm64 · bookworm-security
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
[perl-base]Fixed
Source package: [perl]
Details (4)
- 5.36.0-7+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · amd64 · bookworm-security
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · arm64 · bookworm-security
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
[perl-debug]Fixed
Source package: [perl]
Details (4)
- 5.36.0-7+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · amd64 · bookworm-security
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · arm64 · bookworm-security
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
[perl-doc]Fixed
Source package: [perl]
Details (4)
- 5.36.0-7+deb12u3 · all · bookworm
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u3 · all · bookworm
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · all · bookworm-security
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · all · bookworm-security
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
[perl-modules-5.36]Fixed
Source package: [perl]
Details (4)
- 5.36.0-7+deb12u3 · all · bookworm
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u3 · all · bookworm
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · all · bookworm-security
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · all · bookworm-security
  Fixed · Fixed: 5.36.0-4
  dsa · perl · debian · bookworm

Observed: Oct 23, 2026, 6:31:39 PM UTC

References

[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]