CVE catalog

CVE-2025-9670

node-turndown: CVE-2025-9670

[CVE catalog]

Severity
Medium · CVSS 5.5CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
Source
[NVD] · [CVE record]
EPSS
0.48% · Oct 25, 2026

A security flaw has been discovered in mixmark-io turndown up to 7.2.1. This affects an unknown function of the file src/commonmark-rules.js. Performing manipulation results in inefficient regular expression complexity. It is possible to initiate the attack remotely. The exploit has been released to the public and may be exploited.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debiannode-turndownsid7.2.4+~2.2.0~git20240406-1fixed
Debiannode-turndownforky7.2.4+~2.2.0~git20240406-1fixed
Debiannode-turndowntrixie7.1.1-3vulnerable
Debiannode-turndownbookworm7.1.1-3vulnerable

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debiannode-turndownsourcesid7.2.2+~2.2.0~git20240406-1not yet assignedNot reported[1118283]
Debiannode-turndownsourceforky7.2.2+~2.2.0~git20240406-1not yet assignedNot reported[1118283]
Debiannode-turndownsourcetrixie(unfixed)not yet assignedNot reported[1118283]
Debiannode-turndownsourcebookworm(unfixed)not yet assignedNot reported[1118283]

[Debian bug #1118283]

Notes

[trixie] node-turndown: Minor issue [bookworm] node-turndown: Minor issue

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [node-turndown]Affected
    Details (2)
    • 7.1.1-3 · all · bookworm

      Affected

      dsa · node-turndown · debian · bookworm; dsa · node-turndown · debian · 12

    • 7.1.1-3 · all · bookworm

      Affected

      dsa · node-turndown · debian · bookworm; dsa · node-turndown · debian · 12

[Debian 13 (Trixie)]

  • [node-turndown]Affected
    Details (2)
    • 7.1.1-3 · all · trixie

      Affected

      dsa · node-turndown · debian · 13

    • 7.1.1-3 · all · trixie

      Affected

      dsa · node-turndown · debian · 13

Observed:

References