CVE-2022-27943

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

CVSS v3 5.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105039	Exploit Issue Tracking Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H424YXGW7OKXS2NCAP35OP6Y4P4AW6VG/
https://sourceware.org/bugzilla/show_bug.cgi?id=28995	Exploit Issue Tracking Third Party Advisory
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105039	Exploit Issue Tracking Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H424YXGW7OKXS2NCAP35OP6Y4P4AW6VG/
https://sourceware.org/bugzilla/show_bug.cgi?id=28995	Exploit Issue Tracking Third Party Advisory
https://cert-portal.siemens.com/productcert/html/ssa-398330.html

Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

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

History

14 Oct 2026, 17:17

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

Information

Published : 2022-03-26 13:15

Updated : 2026-10-14 17:17

NVD link : CVE-2022-27943

Mitre link : CVE-2022-27943

CVE.ORG link : CVE-2022-27943

JSON object : View

Products Affected

gnu

gcc

fedoraproject

fedora

CWE

CWE-674

Uncontrolled Recursion

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