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CVE-2021-33463

Date: July 26, 2022

An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in yasm_expr__copy_except() in libyasm/expr.c.

Language: C

Severity Score

Related Resources (5)

https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d
https://nvd.nist.gov/vuln/detail/CVE-2021-33463
https://github.com/yasm/yasm/issues/174
https://security-tracker.debian.org/tracker/CVE-2021-33463
https://www.mend.io/vulnerability-database/CVE-2021-33463

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

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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