Lucene search
K

CVE-2026-34943 Wasmtime panics when lifting `flags` component value

🗓️ 09 Apr 2026 18:36:51Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

Wasmtime panics lifting flags-typed component values into Val; a guest DoS risk in WIT interfaces.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-34943
9 Apr 202618:36
attackerkb
Chainguard
CVE-2026-34943 vulnerabilities
22 Apr 202607:18
cgr
Circl
CVE-2026-34943
20 Apr 202619:17
circl
CNNVD
wasmtime 安全漏洞
9 Apr 202600:00
cnnvd
CVE
CVE-2026-34943
9 Apr 202618:36
cve
Debian CVE
CVE-2026-34943
9 Apr 202618:36
debiancve
EUVD
EUVD-2026-21022
9 Apr 202620:22
euvd
Github Security Blog
Wasmtime has a possible panic when lifting `flags` component value
9 Apr 202620:22
github
NVD
CVE-2026-34943
9 Apr 202619:16
nvd
OPENSUSE Linux
libtree-sitter0_26-0.26.8-2.1 on GA media (moderate)
9 May 202600:00
opensuse
Rows per page
[
  {
    "vendor": "bytecodealliance",
    "product": "wasmtime",
    "versions": [
      {
        "version": "< 24.0.7",
        "status": "affected"
      },
      {
        "version": ">= 25.0.0, < 36.0.7",
        "status": "affected"
      },
      {
        "version": ">= 37.0.0, < 42.0.2",
        "status": "affected"
      },
      {
        "version": ">= 43.0.0, < 44.0.1",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation