What’s Vulnerable › Vulnerabilities

CVE-2022-27943

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-03-26 · updated 2026-10-14
• Weakness: CWE-674

Description

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

Affected products

• Fedoraproject Fedora: 36
• GNU GCC: 11.2

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/
• https://sourceware.org/bugzilla/show_bug.cgi?id=28995
• https://cert-portal.siemens.com/productcert/html/ssa-398330.html

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