CVE-2023-31973
MEDIUM
5.5
CVSS Score
Published: May 9, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:57 AM UTC
1 product affected across 1 vendorYasm
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
PoC
Description
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
SSVC — Action Prioritization
SSVCPoCNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-401
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