GHSA-cwc9-cp4j-mcvvPublished
libp2p: CPU DoS via oversized IHAVE and IWANT control message arrays
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-49866 · Microsoft / collected KEV context
cve-program · CVE-2026-49866
- https://github.com/libp2p/js-libp2p/security/advisories/GHSA-cwc9-cp4j-mcvv
- https://github.com/libp2p/js-libp2p/pull/3520
- https://github.com/libp2p/js-libp2p/commit/773dd80ded24dbd6b19e675c89fd2f3b45f2d899
- https://github.com/libp2p/js-libp2p/releases/tag/gossipsub-v16.0.0
euvd · EUVD-2026-42409
- https://github.com/libp2p/js-libp2p/security/advisories/GHSA-cwc9-cp4j-mcvv
- https://github.com/libp2p/js-libp2p/pull/3520
- https://github.com/libp2p/js-libp2p/commit/773dd80ded24dbd6b19e675c89fd2f3b45f2d899
- https://github.com/libp2p/js-libp2p/releases/tag/gossipsub-v16.0.0
nvd · CVE-2026-49866
- https://github.com/libp2p/js-libp2p/commit/773dd80ded24dbd6b19e675c89fd2f3b45f2d899
- https://github.com/libp2p/js-libp2p/pull/3520
- https://github.com/libp2p/js-libp2p/releases/tag/gossipsub-v16.0.0
- https://github.com/libp2p/js-libp2p/security/advisories/GHSA-cwc9-cp4j-mcvv
osv · GHSA-cwc9-cp4j-mcvv
- https://github.com/libp2p/js-libp2p/security/advisories/GHSA-cwc9-cp4j-mcvv
- https://nvd.nist.gov/vuln/detail/CVE-2026-49866
- https://github.com/libp2p/js-libp2p/pull/3520
- https://github.com/libp2p/js-libp2p/commit/773dd80ded24dbd6b19e675c89fd2f3b45f2d899
- https://github.com/libp2p/js-libp2p
- https://github.com/libp2p/js-libp2p/releases/tag/gossipsub-v16.0.0
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.