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CVE-2023-31973

Date: May 8, 2023

yasm v1.3.0 was discovered to contain a use after free via the function expand_mmac_params at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.

Language: C

Severity Score

Related Resources (4)

https://security-tracker.debian.org/tracker/CVE-2023-31973
https://nvd.nist.gov/vuln/detail/CVE-2023-31973
https://github.com/yasm/yasm/issues/207
https://www.mend.io/vulnerability-database/CVE-2023-31973

Severity Score

Weakness Type (CWE)

Missing Release of Memory after Effective Lifetime

CWE-401

Free of Memory not on the Heap

CWE-590

CVSS v3.1

Base Score:
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

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