Lucene search
+L

CVE-2026-115386 Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 Memory Disclosure via fd_readdir

🗓️ 22 Oct 2026 19:13:52Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Memory disclosure in Wasmtime WASIp1 fd_readdir copies uninitialized padding into guest memory.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-115386
22 Oct 202619:51
–circl
cve
CVE
CVE-2026-115386
22 Oct 202619:13
–cve
euvd
EUVD
EUVD-2026-108314
22 Oct 202619:13
–euvd
nvd
NVD
CVE-2026-115386
22 Oct 202619:17
–nvd
[
  {
    "vendor": "bytecodealliance",
    "product": "wasmtime",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:cargo/wasmtime-wasi",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "36.0.17"
      },
      {
        "version": "36.0.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "37.0.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "48.0.4"
      },
      {
        "version": "48.0.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "49.0.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "49.0.2"
      },
      {
        "version": "49.0.2",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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