CVE-2022-27943

libiberty/rust-demangle.c in GNU GCC 11.2 allows stack consumption in demangle_const, as demonstrated by nm-new.

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

1.0% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-25)

CWE

CWE-674

Published

2022-03-26

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• fedoraproject:fedora
• gnu:gcc

References

• https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105039
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H424YXGW7OKXS2NCAP35OP6Y4P4AW6VG/
• https://sourceware.org/bugzilla/show_bug.cgi?id=28995
• https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105039
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H424YXGW7OKXS2NCAP35OP6Y4P4AW6VG/

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