CVE catalog

CVE-2017-12814

perl: CVE-2017-12814

Severity: Critical · CVSS 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: Jun 15, 2024, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 6.98% · Oct 27, 2026

Stack-based buffer overflow in the CPerlHost::Add method in win32/perlhost.h in Perl before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 on Windows allows attackers to execute arbitrary code via a long environment variable.

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`	not affected
Debian	perl	forky	`5.42.3-1`	not affected
Debian	perl	trixie	`5.40.1-6+deb13u1`	not affected
Debian	perl	bookworm	`5.36.0-7+deb12u3`	not affected
Debian	perl	bookworm-security	`5.36.0-7+deb12u4`	not affected

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	perl	source	sid	`Not affected`	unimportant	Not reported	Not reported
Debian	perl	source	forky	`Not affected`	unimportant	Not reported	Not reported
Debian	perl	source	trixie	`Not affected`	unimportant	Not reported	Not reported
Debian	perl	source	bookworm	`Not affected`	unimportant	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libperl5.36]Not affected
Source package: [perl]
Details (4)
- 5.36.0-7+deb12u3 · amd64 · bookworm
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u3 · arm64 · bookworm
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · amd64 · bookworm-security
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · arm64 · bookworm-security
  Not affected
  dsa · perl · debian · bookworm
[libperl-dev]Not affected
Source package: [perl]
Details (4)
- 5.36.0-7+deb12u3 · amd64 · bookworm
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u3 · arm64 · bookworm
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · amd64 · bookworm-security
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · arm64 · bookworm-security
  Not affected
  dsa · perl · debian · bookworm
[perl]Not affected
Details (4)
- 5.36.0-7+deb12u3 · amd64 · bookworm
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u3 · arm64 · bookworm
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · amd64 · bookworm-security
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · arm64 · bookworm-security
  Not affected
  dsa · perl · debian · bookworm
[perl-base]Not affected
Source package: [perl]
Details (4)
- 5.36.0-7+deb12u3 · amd64 · bookworm
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u3 · arm64 · bookworm
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · amd64 · bookworm-security
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · arm64 · bookworm-security
  Not affected
  dsa · perl · debian · bookworm
[perl-debug]Not affected
Source package: [perl]
Details (4)
- 5.36.0-7+deb12u3 · amd64 · bookworm
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u3 · arm64 · bookworm
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · amd64 · bookworm-security
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · arm64 · bookworm-security
  Not affected
  dsa · perl · debian · bookworm
[perl-doc]Not affected
Source package: [perl]
Details (4)
- 5.36.0-7+deb12u3 · all · bookworm
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u3 · all · bookworm
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · all · bookworm-security
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · all · bookworm-security
  Not affected
  dsa · perl · debian · bookworm
[perl-modules-5.36]Not affected
Source package: [perl]
Details (4)
- 5.36.0-7+deb12u3 · all · bookworm
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u3 · all · bookworm
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · all · bookworm-security
  Not affected
  dsa · perl · debian · bookworm
- 5.36.0-7+deb12u2 · all · bookworm-security
  Not affected
  dsa · perl · debian · bookworm

Observed: Oct 23, 2026, 5:26:13 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [SUSE security advisories and VEX]