Heap-based Buffer Overflow Affecting nasm package, versions [0,]
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CONAN-NASM-12550233
- published8 Sept 2025
- disclosed11 Aug 2025
- creditXudong Cao
Introduced: 11 Aug 2025
CVE-2025-8843 (opens in a new tab)How to fix?
There is no fixed version for nasm.
Overview
Affected versions of this package are vulnerable to Heap-based Buffer Overflow in the macho_no_dead_strip function of the outmacho.c file. An attacker can cause a denial of service or unintended behavior by providing specially crafted input.