CVE-2022-27943 - Vulnerability Details - OpenCVE

libiberty/rust-demangle.c in GNU GCC 11.2 allows stack consumption in demangle_const, as demonstrated by nm-new.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Fedoraproject	Fedora
Gnu	Gcc

Configuration 1 [-]

cpe:2.3:a:gnu:gcc:11.2:*:*:*:*:*:*:*

Configuration 2 [-]

cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105039
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H424YXGW7OKXS2NCAP35OP6Y4P4AW6VG/
https://nvd.nist.gov/vuln/detail/CVE-2022-27943
https://sourceware.org/bugzilla/show_bug.cgi?id=28995
https://www.cve.org/CVERecord?id=CVE-2022-27943

History

Wed, 14 Oct 2026 17:30:00 +0000

Type	Values Removed	Values Added
References		https://cert-portal.siemens.com/productcert/html/ssa-398330.html

Fri, 09 Oct 2026 09:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-03-26T00:00:00.000Z

Updated: 2026-10-14T16:29:13.450Z

Reserved: 2022-03-26T00:00:00.000Z

Link: CVE-2022-27943

Vulnrichment

Updated: 2024-08-03T05:41:10.990Z

NVD

Status : Modified

Published: 2022-03-26T13:15:07.900

Modified: 2026-10-14T17:17:37.830

Link: CVE-2022-27943

Redhat

Severity : Low

Publid Date: 2022-03-26T00:00:00Z

Links: CVE-2022-27943 - Bugzilla

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