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Puma PROXY Protocol v1 Parser Allows Remote Memory Exhaustion

🗓️ 08 Jun 2026 23:55:44Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 22 Views

Puma PROXY Protocol v1 can exhaust memory and CPU on untrusted TCP connections; upgrade to 7.2.1 or 8.0.2.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Chainguard
CVE-2026-47736 vulnerabilities
10 Jun 202607:25
cgr
CVE
CVE-2026-47736
27 May 202600:00
cve
OSV
CGA-PHC7-6966-MF2P
10 Jun 202606:02
osv
OSV
GHSA-QPGP-93VX-G8V8 Puma PROXY Protocol v1 Parser Allows Remote Memory Exhaustion
8 Jun 202623:55
osv
OSV
MINI-23MR-H637-5WW5
9 Jun 202619:31
osv
OSV
MINI-4365-P7P8-MWCG
9 Jun 202619:43
osv
OSV
MINI-4WHF-XGRH-JVR4
9 Jun 202619:26
osv
OSV
MINI-5886-VPMG-W6FH
9 Jun 202619:32
osv
OSV
MINI-5G44-6XVW-WP84
9 Jun 202619:32
osv
OSV
MINI-6GGR-4CW2-27CF
9 Jun 202619:43
osv
Rows per page
Vulners
Node
pumapumaRange5.5.07.2.1rubygems
OR
pumapumaRange8.0.08.0.2rubygems

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08 Jun 2026 23:55Current
5.8Medium risk
Vulners AI Score5.8
EPSS0.0007
22