GCC v12.0 was discovered to contain an uncontrolled recursion via the component libiberty/rust-demangle.c.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Jan 14, 2022 · NIST NVD

   Detected

   GCC v12.0 was discovered to contain an uncontrolled recursion via the component libiberty/rust-demangle.c. This vulnerability allows attackers to cause a Denial of Service (DoS) by consuming excessive CPU and memory resources.

2. Oct 14, 2026 · NIST NVD

   Updated

   GCC v12.0 was discovered to contain an uncontrolled recursion via the component libiberty/rust-demangle.c. This vulnerability allows attackers to cause a Denial of Service (DoS) by consuming excessive CPU and memory resources.

Affected

• cpe gnu/gcc12.0

Sources

• CVE.orgVulnerability recordCVE-2021-46195

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2021-46195

  30-day exploitation probability 0.8%

  first.org
• NIST NVDVulnerability recordCVE-2021-46195

  GCC v12.0 was discovered to contain an uncontrolled recursion via the component libiberty/rust-demangle.c. This vulnerability allows attackers to cause a Denial of Service (DoS) by consuming excessive CPU and memory resources.

  nvd.nist.gov

References

• Reference · cert-portal.siemens.com
• Exploit · gcc.gnu.org