CVE-2020-24241: In Netwide Assembler (NASM) 2.15rc10, there is heap use-after-free in saa_wbytes in nasmlib/saa.c

Medium severity · published Aug 25, 2020

CVE-2020-24241

In Netwide Assembler (NASM) 2.15rc10, there is heap use-after-free in saa_wbytes in nasmlib/saa.c

5.5

CVSS

0.8%

EPSS

On KEV

Description

In Netwide Assembler (NASM) 2.15rc10, there is heap use-after-free in saa_wbytes in nasmlib/saa.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)0.8% · higher than 56% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Netwide Assembler · Nasm

2.15 · source: NVD

Affected product

Netwide Assembler

Nasm

All Netwide Assembler CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2020-24241

CVE.org

https://www.cve.org/CVERecord?id=CVE-2020-24241

Exploit

https://bugzilla.nasm.us/show_bug.cgi?id=3392707