CVE catalog

CVE-2025-8845

nasm affected and fixed versions

A vulnerability was identified in NASM Netwide Assember 2.17rc0. This issue affects the function assemble_file of the file nasm.c. The manipulation leads to stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.

Severity: Medium
Published: Aug 11, 2025, 1:15:38 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.29% · Oct 27, 2026

Projects and upstream resources

[nasm][Source-reported homepage]

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Distribution / release	Package	Version	Status	Source
Debiantrixie	nasm	Not reported	AffectedDistribution reports no fix	[CVE-2025-8845]
Debiantrixie	nasm	`2.16.03-1`	Affected	[CVE-2025-8845]
Debiansid	nasm	Not reported	AffectedDistribution reports no fix	[CVE-2025-8845]
Debiansid	nasm	`3.01-1`	Affected	[CVE-2025-8845]
Debianforky	nasm	Not reported	AffectedDistribution reports no fix	[CVE-2025-8845]
Debianforky	nasm	`3.01-1`	Affected	[CVE-2025-8845]
Debianbookworm	nasm	Not reported	AffectedDistribution reports no fix	[CVE-2025-8845]
Debianbookworm	nasm	`2.16.01-1`	Affected	[CVE-2025-8845]
UnknownRelease not reported	nasm	Not reported	UnknownSource applicability is not established	Provider not reported

Provider details and historical evidence

Distribution / release	Package	Version	Status	Source
UnknownRelease not reported	nasm	Not reported	UnknownSource applicability is not established	Provider not reported
Debianbookworm	nasm	Not reported	AffectedDistribution reports no fix	[CVE-2025-8845]
Debianbookworm	nasm	`2.16.01-1`	Affected	[CVE-2025-8845]
Debianforky	nasm	Not reported	AffectedDistribution reports no fix	[CVE-2025-8845]
Debianforky	nasm	`3.01-1`	Affected	[CVE-2025-8845]
Debiansid	nasm	Not reported	AffectedDistribution reports no fix	[CVE-2025-8845]
Debiansid	nasm	`3.01-1`	Affected	[CVE-2025-8845]
Debiantrixie	nasm	Not reported	AffectedDistribution reports no fix	[CVE-2025-8845]
Debiantrixie	nasm	`2.16.03-1`	Affected	[CVE-2025-8845]

Original provider fields

{
  "package_releases": [
    {
      "name": "nasm",
      "status": "vulnerable",
      "release": "sid",
      "version": "3.01-1"
    },
    {
      "name": "nasm",
      "status": "vulnerable",
      "release": "forky",
      "version": "3.01-1"
    },
    {
      "name": "nasm",
      "status": "vulnerable",
      "release": "trixie",
      "version": "2.16.03-1"
    },
    {
      "name": "nasm",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "2.16.01-1"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1110944,
      "name": "nasm",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": ""
    },
    {
      "bug": 1110944,
      "name": "nasm",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": ""
    },
    {
      "bug": 1110944,
      "name": "nasm",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": ""
    },
    {
      "bug": 1110944,
      "name": "nasm",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": ""
    }
  ],
  "distribution_packages": [
    {
      "name": "nasm",
      "fixed_version": "not yet fixed",
      "applicability_unknown": true
    }
  ]
}

[Debian bug #1110944]

Publisher notes

[trixie] nasm: Minor issue [bookworm] nasm: Minor issue

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[nasm]Unknown
Details (2)
- 2.16.01-1 · amd64 · bookworm
  Affected
  dsa · nasm · debian · bookworm; dsa · nasm · debian · 12
- 2.16.01-1 · arm64 · bookworm
  Affected
  dsa · nasm · debian · bookworm; dsa · nasm · debian · 12

[Debian 13 (Trixie)]

[nasm]Unknown
Details (2)
- 2.16.03-1 · amd64 · trixie
  Affected
  dsa · nasm · debian · 13
- 2.16.03-1 · arm64 · trixie
  Affected
  dsa · nasm · debian · 13

Observed: Oct 24, 2026, 8:25:42 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]