UBUNTU-CVE-2021-46195

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Source
https://ubuntu.com/security/CVE-2021-46195
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46195.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-46195
Upstream
Published
2022-01-14T20:15:00Z
Modified
2025-07-18T16:47:06Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:22.04:LTS / gcc-11

Package

Name
gcc-11
Purl
pkg:deb/ubuntu/gcc-11@11.4.0-1ubuntu1~22.04?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

11.*

11.2.0-7ubuntu2
11.2.0-10ubuntu1
11.2.0-12ubuntu1
11.2.0-13ubuntu1
11.2.0-14ubuntu1
11.2.0-16ubuntu1
11.2.0-18ubuntu1
11.2.0-19ubuntu1
11.3.0-1ubuntu1~22.04
11.3.0-1ubuntu1~22.04.1
11.4.0-1ubuntu1~22.04

Ubuntu:24.04:LTS / gcc-11

Package

Name
gcc-11
Purl
pkg:deb/ubuntu/gcc-11@11.4.0-9ubuntu1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

11.*

11.4.0-4ubuntu1
11.4.0-5ubuntu1
11.4.0-6ubuntu1
11.4.0-7ubuntu2
11.4.0-9ubuntu1

Ubuntu:25.04 / gcc-11

Package

Name
gcc-11
Purl
pkg:deb/ubuntu/gcc-11@11.5.0-2ubuntu1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

11.*

11.5.0-1ubuntu1
11.5.0-2ubuntu1