Wasmtime 47.0.0 before 48.0.3 and 49.0.0 before 49.0.1 Fuel Accounting Bypass DoS (bytecodealliance wasmtime)

CVE-2026-115390
MEDIUM 6.9

En bref

Source
NVD
EPSS
EPSS 0.24 % · centile 15 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
VulnCheck
Statut NVD
Deferred

Description

Wasmtime 47.0.0 before 48.0.3 and 49.0.0 before 49.0.1 contains a fuel accounting flaw in Cranelift-compiled call_ref and try_table catch paths. Malicious guests can reset consumed fuel after calls to run exponentially long on linear fuel, evading timeouts and periodic yields for denial of service.

Faiblesses (CWE)

  • 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:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NVulnCheck
CVSS 3.1MEDIUM 5.7CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:HVulnCheck
CVSS 4.0MEDIUM 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/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 · disclosure@vulncheck.com (Secondary)
CVSS 3.1MEDIUM 5.7CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:HNVD · disclosure@vulncheck.com (Secondary)

Références européennes

Produits affectés

ProduitVersions
bytecodealliance · wasmtimeaffected 47.0.0 < 48.0.3 ; unaffected 48.0.3 ; affected 49.0.0 < 49.0.1 ; unaffected 49.0.1

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
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