CVE-2017-17819

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2017-12-21 · updated 2026-06-17
Weakness: CWE-476

Description

In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in the function find_cc() in asm/preproc.c that will cause a remote denial of service attack, because pointers associated with skip_white_ calls are not validated.

Affected products

Canonical Ubuntu Linux: 14.04
NASM Netwide Assember: 2.14-rc0

References

http://repo.or.cz/nasm.git/commit/7524cfd91492e6e3719b959498be584a9ced13af
https://bugzilla.nasm.us/show_bug.cgi?id=3392435
https://usn.ubuntu.com/3694-1/
http://repo.or.cz/nasm.git/commit/7524cfd91492e6e3719b959498be584a9ced13af
https://bugzilla.nasm.us/show_bug.cgi?id=3392435
https://usn.ubuntu.com/3694-1/

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