How severe is CVE-2025-8846?

CVE-2025-8846 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-8846 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8846?

CVE-2025-8846 affects Nasm Netwide Assembler. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-8846?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-8846 have an EU (EUVD) identifier?

Yes. CVE-2025-8846 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24147.

When was CVE-2025-8846 published?

CVE-2025-8846 was published on 2025-08-11 and last updated on 2026-06-17.

CVE-2025-8846

CVE-2025-8846 is a medium-severity vulnerability in Nasm Netwide Assembler with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 4.3
CVSS v4: 1.9
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24147
Weakness: CWE-787
Affected product: Nasm Netwide Assembler
Published: 2025-08-11
Last modified: 2026-06-17

Description

A vulnerability has been found in NASM Netwide Assember 2.17rc0. Affected is the function parse_line of the file parser.c. The manipulation leads to stack-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-8846?: A vulnerability has been found in NASM Netwide Assember 2.17rc0. Affected is the function parse_line of the file parser.c. The manipulation leads to stack-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-8846?: CVE-2025-8846 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-8846 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8846?: CVE-2025-8846 affects Nasm Netwide Assembler. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-8846?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8846 have an EU (EUVD) identifier?: Yes. CVE-2025-8846 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24147.
When was CVE-2025-8846 published?: CVE-2025-8846 was published on 2025-08-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nasm:netwide_assembler:2.17:rc0:*:*:*:*:*:*

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