CVE-2021-3826

Source
https://nvd.nist.gov/vuln/detail/CVE-2021-3826
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3826.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-3826
Downstream
Related
Published
2022-09-01T21:15:08Z
Modified
2025-10-15T13:12:39.768808Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.

References

Affected packages

Git / github.com/gcc-mirror/gcc

Affected ranges

Type
GIT
Repo
https://github.com/gcc-mirror/gcc
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected

Affected versions

Other

basepoints/gcc-0
basepoints/gcc-10
basepoints/gcc-11
basepoints/gcc-5
basepoints/gcc-6
basepoints/gcc-7
basepoints/gcc-8
basepoints/gcc-9
misc/cutover-cvs2svn
misc/cutover-egcs-0
misc/cutover-egcs-1
misc/cutover-git
misc/first-auto-changelog

releases/gcc-11.*

releases/gcc-11.1.0
releases/gcc-11.2.0