CVE catalog

CVE-2026-71832

Aria2 version 1.37.0 and below is affected by a Divide…

[CVE catalog]

Aria2 version 1.37.0 and below is affected by a Divide By Zero issue in src/bittorrent_helper.cc, which allows a remote malicious user to cause a Denial of Service

Severity
High · CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
Updated
Source
[NVD] · [CVE record]
EPSS
0.16% · Oct 27, 2026

Projects and upstream resources

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.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence
Original provider fields
{
  "package_releases": [
    {
      "name": "aria2",
      "status": "vulnerable",
      "release": "sid",
      "version": "1.37.0+debian-4"
    },
    {
      "name": "aria2",
      "status": "vulnerable",
      "release": "forky",
      "version": "1.37.0+debian-4"
    },
    {
      "name": "aria2",
      "status": "vulnerable",
      "release": "trixie",
      "version": "1.37.0+debian-3"
    },
    {
      "name": "aria2",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "1.36.0-1"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "aria2",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": null,
      "name": "aria2",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": null,
      "name": "aria2",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": null,
      "name": "aria2",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "unimportant",
      "fixed_version": ""
    }
  ],
  "distribution_packages": []
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

  • [aria2]Unknown
    Details (2)

    • 1.36.0-1 · amd64 · bookworm

      Affected

      nvd · aria2 · debian · bookworm; nvd · aria2 · debian · 12

    • 1.36.0-1 · arm64 · bookworm

      Affected

      nvd · aria2 · debian · bookworm; nvd · aria2 · debian · 12

  • [libaria2-0]Unknown

    Source package: [aria2]

    Details (2)

    • 1.36.0-1 · amd64 · bookworm

      Affected

      nvd · aria2 · debian · bookworm; nvd · aria2 · debian · 12

    • 1.36.0-1 · arm64 · bookworm

      Affected

      nvd · aria2 · debian · bookworm; nvd · aria2 · debian · 12

  • [libaria2-0-dev]Unknown

    Source package: [aria2]

    Details (2)

    • 1.36.0-1 · amd64 · bookworm

      Affected

      nvd · aria2 · debian · bookworm; nvd · aria2 · debian · 12

    • 1.36.0-1 · arm64 · bookworm

      Affected

      nvd · aria2 · debian · bookworm; nvd · aria2 · debian · 12

[Debian 13 (Trixie)]

  • [aria2]Unknown
    Details (2)

    • 1.37.0+debian-3 · amd64 · trixie

      Affected

      nvd · aria2 · debian · 13

    • 1.37.0+debian-3 · arm64 · trixie

      Affected

      nvd · aria2 · debian · 13

  • [libaria2-0]Unknown

    Source package: [aria2]

    Details (2)

    • 1.37.0+debian-3 · amd64 · trixie

      Affected

      nvd · aria2 · debian · 13

    • 1.37.0+debian-3 · arm64 · trixie

      Affected

      nvd · aria2 · debian · 13

  • [libaria2-0-dev]Unknown

    Source package: [aria2]

    Details (2)

    • 1.37.0+debian-3 · amd64 · trixie

      Affected

      nvd · aria2 · debian · 13

    • 1.37.0+debian-3 · arm64 · trixie

      Affected

      nvd · aria2 · debian · 13

Observed:

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]