Medium severity · published Dec 22, 2021
CVE-2021-45256
A Null Pointer Dereference vulnerability existfs in nasm 2.16rc0 via asm/preproc.c
5.5
CVSS
0.7%
EPSS
No
On KEV
Description
A Null Pointer Dereference vulnerability existfs in nasm 2.16rc0 via asm/preproc.c.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NA
Netwide Assembler · Nasm
2.16 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45256
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45256
Broken Link
https://bugzilla.nasm.us/show_bug.cgi?id=3392789
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