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Netty: SNI handler pre-allocates up to 16 MiB from nine attacker bytes

🗓️ 08 Jun 2026 23:01:04Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 36 Views

Netty SniHandler may eagerly allocate up to sixteen MiB for ClientHello data, creating huge unpooled buffers.

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Detection
Refs
ReporterTitlePublishedViews
Family
osv
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MINI-F38J-62P5-CFRG
9 Jun 202619:45
osv
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MINI-F928-5QFP-P36R
9 Jun 202619:43
osv
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MINI-F9QX-V86P-Q9J7
17 Jun 202612:06
osv
osv
OSV
MINI-FHVJ-5PVX-9X6M
17 Jun 202612:18
osv
osv
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MINI-G4HP-PQ7P-JPCG
2 Jul 202619:53
osv
osv
OSV
MINI-G65M-PQWH-MWMM
12 Jul 202621:12
osv
osv
OSV
MINI-G688-FC74-QXP3
17 Jun 202622:01
osv
osv
OSV
MINI-G795-JMV6-6WG2
9 Jun 202619:44
osv
osv
OSV
MINI-GG3J-5C22-MMWG
9 Jun 202619:30
osv
osv
OSV
MINI-GJJX-VFHV-C88P
10 Jun 202610:29
osv
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Vulners
Node
OR
io.nettynetty-handlerRange4.1.134.Finalmaven
io.nettynetty-handlerRange4.2.0.Final4.2.14.Finalmaven

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12 Jun 2026 19:29Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
EPSS0.00921
SSVC
36