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MessagePack's LZ4 decompression may fail with AccessViolationException after dereferencing memory from bad input

🗓️ 11 Jun 2026 20:34:10Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 28 Views

MessagePack LZ4 decompression may trigger AccessViolationException on bad input, causing denial.

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Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-48109
22 Jun 202621:19
–attackerkb
cgr
Chainguard
CVE-2026-48109 vulnerabilities
24 Jun 202620:18
–cgr
circl
Circl
CVE-2026-48109
23 Jun 202600:26
–circl
cve
CVE
CVE-2026-48109
22 Jun 202621:19
–cve
cvelist
Cvelist
CVE-2026-48109 MessagePack-CSharp: LZ4 decompression may fail with AccessViolationException after dereferencing memory from bad input
22 Jun 202621:19
–cvelist
euvd
EUVD
EUVD-2026-38390
22 Jun 202621:19
–euvd
nvd
NVD
CVE-2026-48109
22 Jun 202622:16
–nvd
osv
OSV
CGA-7C25-3Q8P-6CJ6
12 Jun 202612:16
–osv
osv
OSV
CGA-84RX-2J2X-FPJ6
24 Jun 202619:00
–osv
osv
OSV
CGA-PJFP-C5HM-FFJ3
12 Jun 202612:16
–osv
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Vulners
Node
OR
messagepackmessagepackRange3.0.214-rc.1–3.1.7nuget
messagepackmessagepackRange<2.5.301nuget

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