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Gossipsub PRUNE.backoff Duration Overflow

🗓️ 18 Mar 2026 19:54:12Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 2 Views

Gossipsub backoff overflow from large PRUNE values enables remote unauthenticated denial of service.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-33040
20 Mar 202605:46
attackerkb
CNNVD
rust-libp2p 输入验证错误漏洞
20 Mar 202600:00
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CVE
CVE-2026-33040
20 Mar 202605:46
cve
Cvelist
CVE-2026-33040 libp2p-rust: Gossipsub PRUNE.backoff Duration Overflow
20 Mar 202605:46
cvelist
NVD
CVE-2026-33040
20 Mar 202606:16
nvd
OSV
GHSA-GC42-3JG7-RXR2 Gossipsub PRUNE.backoff Duration Overflow
18 Mar 202619:54
osv
OSV
UBUNTU-CVE-2026-33040
20 Mar 202606:16
osv
Positive Technologies
PT-2026-26181
18 Mar 202600:00
ptsecurity
Positive Technologies
PT-2026-29063
30 Mar 202600:00
ptsecurity
RedhatCVE
CVE-2026-33040
26 Mar 202615:00
redhatcve
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Vulners
Node
protocollibp2p-gossipsubRange<0.49.3rust

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20 Mar 2026 21:23Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
CVSS 48.7
EPSS0.00038
SSVC
2