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CVE-2025-8842

NASM Netwide Assember preproc.c do_directive use after free

CVSS 4.8 MEDIUMEPSS 0.2%CWE-119CWE-416
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 4.8EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
11 Aug 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
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
Affected products
NASM · Netwide Assember

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References
https://bugzilla.nasm.us/show_bug.cgi?id=3392933https://drive.google.com/file/d/11vEV1vMHXO4BrDGhvWAMm0Qo1woiUwVV/view?usp=drive_linkhttps://vuldb.com/?ctiid.319376https://vuldb.com/?id.319376https://vuldb.com/?submit.623184