CVE-2025-8842

Name: CVE-2025-8842
Creator: NVD / NIST
Published: 2025-08-11T11:15:26.767+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.20%

Last modified Jun 17, 2026

CVE-2025-8842 is a low-severity vulnerability rated 1.9/10 on the CVSS scale. A vulnerability has been found in NASM Netwide Assember 2.17rc0. Affected by this issue is the function do_directive of the file preproc.c. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

Description

A vulnerability has been found in NASM Netwide Assember 2.17rc0. Affected by this issue is the function do_directive of the file preproc.c. The manipulation leads to use after free. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

1.9/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.20%

10.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Nasm	Netwide Assembler	2.17	Rc0

References

https://bugzilla.nasm.us/show_bug.cgi?id=3392933Exploit, Issue Tracking, Vendor Advisory
https://drive.google.com/file/d/11vEV1vMHXO4BrDGhvWAMm0Qo1woiUwVV/view?usp=drive_linkExploit
https://vuldb.com/?ctiid.319376Permissions Required, VDB Entry
https://vuldb.com/?id.319376Third Party Advisory, VDB Entry
https://vuldb.com/?submit.623184Exploit, Third Party Advisory, VDB Entry
https://bugzilla.nasm.us/show_bug.cgi?id=3392933Exploit, Issue Tracking, Vendor Advisory
https://vuldb.com/?submit.623184Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Aug 11, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-8842?

How severe is CVE-2025-8842?

CVE-2025-8842 has a CVSS score of 1.9/10 (LOW severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.

How do I fix CVE-2025-8842?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-8842?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST