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Cloudflare Quiche: Use-after-free in connection ID iterator FFI functions

🗓️ 19 Jun 2026 22:10:29Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 41 Views

Quiche had two use-after-free errors in the connection ID iterator FFI; fixed in 0.29.2; FFI API disabled by default.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-11941
19 Jun 202609:55
–attackerkb
circl
Circl
CVE-2026-11941
19 Jun 202612:24
–circl
cve
CVE
CVE-2026-11941
19 Jun 202609:55
–cve
cvelist
Cvelist
CVE-2026-11941 Use-after-free in connection ID iterator and FFI functions
19 Jun 202609:55
–cvelist
euvd
EUVD
EUVD-2026-38003
19 Jun 202622:10
–euvd
mend
Mend
CVE-2026-11941
19 Jun 202609:55
–mend
nvd
NVD
CVE-2026-11941
19 Jun 202612:16
–nvd
osv_ghsa
osv_ghsa
GHSA-MH64-PH39-MRC9 Cloudflare Quiche: Use-after-free in connection ID iterator FFI functions
19 Jun 202622:10
–osv_ghsa
ptsecurity
Positive Technologies
PT-2026-50870
19 Jun 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-11941: Use After Free
19 Jun 202600:00
–rapid7
Rows per page
Vulners
Node
cloudflarequicheRange0.20.0–0.29.2rust

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19 Jun 2026 22:10Current
6Medium risk
Vulners AI Score6
CVSS 3.15.6
EPSS0.00251
SSVC
41