🛡️ CVE-2022-27943 on Ubuntu 22.04 (Root.io) — gcc-12

🟢 CVSS 2.0 — Low ✅ No Known Exploit OSV

2.0

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

CVE-2022-27943 in gcc-12 - Patched by Root

Root has patched CVE-2022-27943 in the gcc-12 package for Root:Ubuntu:22.04. Multiple fixed versions available.

Distribution advisory

This page covers CVE-2022-27943 as tracked by Ubuntu 22.04 (Root.io), for the package gcc-12. The fix is available in version 12.3.0-1ubuntu1~22.04.3.aikido.7; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high. (rating taken from the base CVE record.)

Weakness class

ROOT-OS-UBUNTU-2204-CVE-2022-27943 is classified as CWE-674: Uncontrolled Recursion. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

Affected software

ROOT-OS-UBUNTU-2204-CVE-2022-27943 is recorded against 2 packages.

gcc-12 (fixed in 12.3.0-1ubuntu1~22.04.3.aikido.7)
rootio-gcc-12 (fixed in 12.3.0-1ubuntu1~22.04.3.aikido.7)

Timeline and source

Published on 16 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

CVE-2022-27943 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Base record Debian Ubuntu

Details

Severity LOW

CVSS Score 2.0

CVSS Vector N/A

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2026-08-16

Updated 2026-08-20

Modified 2026-08-16

Fix URL N/A

Affected Packages

Software	From version	Fixed in
gcc-12	—	12.3.0-1ubuntu1~22.04.3.aikido.7
rootio-gcc-12	—	12.3.0-1ubuntu1~22.04.3.aikido.7

References

N/A

🔗 NVD 🔗 Mitre

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