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CVE-2025-53114

CometD has acknowledgement extension out of memory

CVSS 7.5 HIGHEPSS 0.4%CWE-400
CometD is a scalable comet implementation for web messaging. In versions 5.0.0 through 5.0.22, 6.0.0 through 6.0.18, 7.0.0 through 7.0.18, and 8.0.0 through 8.0.8, bad clients that always send a fixed batch value when the server is using the acknowledgement extension may cause the unacknowledged message queue to grow indefinitely, eventually causing an `OutOfMemoryError`. Versions 5.0.23, 6.0.19, 7.0.19, and 8.0.9 patch the issue. As a workaround, disable the acknowledgement extension.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Produtos afetados
cometd · cometd

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Referências
https://github.com/cometd/cometd/discussions/2116https://github.com/cometd/cometd/issues/2117https://github.com/cometd/cometd/pull/2118https://github.com/cometd/cometd/pull/2168https://github.com/cometd/cometd/pull/2169https://github.com/cometd/cometd/security/advisories/GHSA-cqgj-h8vf-4w59