Home/CVE/A Null Pointer Dereference vulnerability existfs in nasm 2.16rc0 via asm/preproc.c.
CVE

CVE-2021-45256

A Null Pointer Dereference vulnerability existfs in nasm 2.16rc0 via asm/preproc.c.

A Null Pointer Dereference vulnerability existfs in nasm 2.16rc0 via asm/preproc.c.

MEDIUM · CVSS 5.5 EPSS 0.0008
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

1
nasm netwide assemblerall versions
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Dec 2021 · 05:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.nasm.us/show_bug.cgi?id=3392789Broken LinkIssue Tracking
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