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PYSEC-2026-151

🗓️ 09 Apr 2026 19:16:24Reported by Python Packaging AdvisoryType 
pypa
 pypa
🔗 github.com👁 9 Views

Wasmtime 43.0.0 unsound linker clone can cause use-after-free via host embedder API sequence; fixed in 43.0.1.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-34983
9 Apr 202618:47
attackerkb
Chainguard
CVE-2026-34983 vulnerabilities
22 Apr 202607:18
cgr
CNNVD
wasmtime 资源管理错误漏洞
9 Apr 202600:00
cnnvd
CVE
CVE-2026-34983
9 Apr 202618:47
cve
Cvelist
CVE-2026-34983 Wasmtime has a use-after-free bug after cloning `wasmtime::Linker`
9 Apr 202618:47
cvelist
Debian CVE
CVE-2026-34983
9 Apr 202618:47
debiancve
EUVD
EUVD-2026-21029
9 Apr 202620:23
euvd
Github Security Blog
Wasmtime has use-after-free bug after cloning `wasmtime::Linker`
9 Apr 202620:23
github
NVD
CVE-2026-34983
9 Apr 202619:16
nvd
OSV
CGA-4CQX-28V6-CPR4
22 Apr 202605:00
osv
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pypiwasmtimeRange0

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21 May 2026 14:54Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15
CVSS 41
EPSS0.00117
SSVC
9