What’s Vulnerable › Vulnerabilities

CVE-2021-37322

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-11-18 · updated 2026-06-17
• Weakness: CWE-416

Description

GCC c++filt v2.26 was discovered to contain a use-after-free vulnerability via the component cplus-dem.c.

Affected products

• GNU Binutils: before 2.32 — fixed in 2.32
• GNU GCC: before 10.1 — fixed in 10.1

How to fix

Upgrade to a fixed version: GNU Binutils 2.32; GNU GCC 10.1. Check the vendor advisory for mitigations.

References

• https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99188
• https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99188

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