CVE-2022-27943
Published: March 26, 2022Last modified: July 22, 2025
Description
libiberty/rust-demangle.c in GNU GCC 11.2 allows stack consumption in demangle_const, as demonstrated by nm-new.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | gcc | Not affected (12.2.1_git20220924-r5) |
| Stream | gcc | Not affected (12.2.1_git20230419-r2) | |
| Hardened Containers | 23 LTS | gcc | Not affected (12.2.1_git20220924-r5) |
| Stream | gcc | Not affected (12.2.1_git20230419-r2) |