CVE-2019-20352
HIGHCVSS 7.1/10EPSS 0.84%
Last modified
CVE-2019-20352 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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.. EPSS estimates a 0.84% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Nasm | Netwide Assembler | 2.15 | Rc0 |
References
- https://bugzilla.nasm.us/show_bug.cgi?id=3392636Exploit, Issue Tracking, Vendor Advisory
- https://bugzilla.nasm.us/show_bug.cgi?id=3392636Exploit, Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-20352?
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.
How severe is CVE-2019-20352?
CVE-2019-20352 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.84% probability of exploitation in the next 30 days.
How do I fix CVE-2019-20352?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-20352?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST