CodeMirror Markdown Mode markdown.js redos (CodeMirror)

CVE-2025-6493
MEDIUM 6.9

En bref

Source
NVD
EPSS
EPSS 0.53 % · centile 45 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
VulDB
Statut NVD
Deferred

Description

A weakness has been identified in CodeMirror up to 5.65.20. Affected is an unknown function of the file mode/markdown/markdown.js of the component Markdown Mode. This manipulation causes inefficient regular expression complexity. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be exploited. Upgrading to version 6.0 is able to address this issue. You should upgrade the affected component. Not all code samples mentioned in the GitHub issue can be found. The repository mentions, that "CodeMirror 6 exists, and is [...] much more actively maintained."

Faiblesses (CWE)

  • CWE-1333 — Complexité inefficace d'expression régulière (ReDoS)
  • CWE-400 — Consommation de ressources non maîtrisée (déni de service)

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 4.0MEDIUM 6.9CVSS: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:PVulDB
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:CVulDB
CVSS 3.0MEDIUM 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:CVulDB
CVSS 2.0MEDIUM 5.0AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:CVulDB
CVSS 4.0MEDIUM 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:XNVD · cna@vuldb.com (Secondary)
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LNVD · cna@vuldb.com (Secondary)
CVSS 2.0MEDIUM 5.0AV:N/AC:L/Au:N/C:N/I:N/A:PNVD · cna@vuldb.com (Secondary)

Références européennes

Avis du CERT-FR

Produits affectés

ProduitVersions
CodeMirroraffected 5.65.0 ; affected 5.65.1 ; affected 5.65.2 ; affected 5.65.3 ; affected 5.65.4 ; affected 5.65.5

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD