CVE-2026-49866

libp2p is a JavaScript Implementation of libp2p networking stack. Prior to 16.0.0, @libp2p/gossipsub defaultDecodeRpcLimits set maxIhaveMessageIDs and maxIwantMessageIDs to Infinity, allowing oversized IHAVE and IWANT control message arrays in message/decodeRpc.ts and gossipsub.ts to synchronousl...

Missing Release of Memory after Effective Lifetime

Overview @libp2p/gossipsub is an A typescript implementation of gossipsub Affected versions of this package are vulnerable to Missing Release of Memory after Effective Lifetime through unbounded growth of the topics data structure when processing subscription requests. An attacker can exhaust...

@bitsocial/ai-moderation-challenge (>=0.1.0, <=0.1.1), @bitsocial/bitsocial-cli (>=0.19.44, <=0.19.72) +6 more potentially affected by CVE-2026-46679 via @libp2p/gossipsub (>=15.0.0-049bfa0fa, <=15.0.22-5692f3f16)

@libp2p/gossipsub NPM version =15.0.0-049bfa0fa, =0.1.0, =0.19.44, =0.1.0, =0.1.0, =0.1.0, =6.0.0-049bfa0fa, =9.0.0-049bfa0fa, =0.0.17, =0.0.47 Source cves: CVE-2026-46679 Source advisory: SNYK:JS-LIBP2PGOSSIPSUB-16798774...

@bitsocial/ai-moderation-challenge (>=0.1.0, <=0.1.1), @bitsocial/bitsocial-cli (>=0.19.44, <=0.19.72) +6 more potentially affected by CVE-2026-46679 via @libp2p/gossipsub (>=15.0.0-049bfa0fa, <=15.0.22-5692f3f16)

@libp2p/gossipsub NPM version =15.0.0-049bfa0fa, =0.1.0, =0.19.44, =0.1.0, =0.1.0, =0.1.0, =6.0.0-049bfa0fa, =9.0.0-049bfa0fa, =0.0.17, =0.0.47 Source cves: CVE-2026-46679 Source advisory: OSV:GHSA-4F8R-922H-2VGV...

blake-streams (0.1.0), fuel-p2p (>=0.4.0, <=0.5.0) +9 more potentially affected by CVE-2026-34219 via libp2p-gossipsub (>=0.28.0, <=0.35.0)

libp2p-gossipsub CARGO version =0.28.0, =0.4.0, =0.20.0, =0.36.0, =0.16.0, =0.1.0, =0.1.1, =0.2.0, =0.39.1, =0.39.3 Source cves: CVE-2026-34219 Source advisory: OSV:GHSA-XQMP-FXGV-XVQ5...

blake-streams (0.1.0), fuel-p2p (>=0.4.0, <=0.5.0) +9 more potentially affected by CVE-2026-33040 via libp2p-gossipsub (>=0.28.0, <=0.35.0)

libp2p-gossipsub CARGO version =0.28.0, =0.4.0, =0.20.0, =0.36.0, =0.16.0, =0.1.0, =0.1.1, =0.2.0, =0.39.1, =0.39.3 Source cves: CVE-2026-33040 Source advisory: OSV:GHSA-GC42-3JG7-RXR2...