Findings

CVE-2021-46195

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

Published Jan 14, 2022 · updated Oct 14, 2026 · gnu gcc

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.

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.orgCVE-2021-46195

    Official CVE identifier

    cve.org
  • NIST NVDCVE-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

CVE-2021-46195 · ZeroDay Findings