What’s Vulnerable › Vulnerabilities

CVE-2019-20352

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-01-06 · updated 2026-06-17
• Weakness: CWE-125

Description

In Netwide Assembler (NASM) 2.15rc0, a heap-based buffer over-read occurs (via a crafted .asm file) in set_text_free when called from expand_one_smacro in asm/preproc.c.

Affected products

• NASM Netwide Assember: 2.15-rc0

References

• https://bugzilla.nasm.us/show_bug.cgi?id=3392636
• https://bugzilla.nasm.us/show_bug.cgi?id=3392636

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