PT-2022-18711 · Gnu+3 · Gnu Gcc+3

Han Zheng · Published 2022-03-24 · Updated 2026-04-25 · CVE-2022-27943

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions GNU GCC version 11.2

Description The issue in libiberty/rust-demangle.c allows stack consumption in demangle const. This can be demonstrated using nm-new.

Recommendations For GNU GCC version 11.2, update to a newer version that contains a fix for this issue.

Exploit

Fix

Uncontrolled Recursion

Weakness Enumeration

CWE-674

Related Identifiers

BDU:2025-12274

CVE-2022-27943

ECHO-ADD2-F330-11FD

OESA-2026-2089

OPENSUSE-SU-2022_4146-1

OPENSUSE-SU-2024:12631-1

SUSE-SU-2022:4146-1

SUSE-SU-2022:4277-1

Affected Products

Astra Linux

Debian

Gnu Gcc

Suse

References · 51

• 🔥 https://sourceware.org/bugzilla/show_bug.cgi?id=28995 · Exploit
• 🔥 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105039 · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-27943 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-12274 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-27943 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se38-bulletin-2026-0126SE38 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:12631-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:4277-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-27943 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2022-27943 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2025-0811SE18 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-27943 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-27943 · Security Note
• https://ubuntu.com/security/CVE-2022-27943 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-27943 · Vendor Advisory