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CVE-2022-27943

Date: March 25, 2022

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

Language: C

Severity Score

5.5

Related Resources (9)

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H424YXGW7OKXS2NCAP35OP6Y4P4AW6VG/

Url: https://nvd.nist.gov/vuln/detail/CVE-2022-27943

Url: https://sourceware.org/bugzilla/show_bug.cgi?id=28995

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2022-27943

Url: https://access.redhat.com/security/cve/CVE-2022-27943

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H424YXGW7OKXS2NCAP35OP6Y4P4AW6VG/

Url: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105039

Url: https://security-tracker.debian.org/tracker/CVE-2022-27943

Url: https://www.mend.io/vulnerability-database/CVE-2022-27943

Severity Score

5.5

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Uncontrolled Recursion

CWE-674

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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