Bug 2452456 (CVE-2026-33871)
| Summary: | CVE-2026-33871 netty: Netty: Denial of Service via HTTP/2 CONTINUATION frame flood | ||
|---|---|---|---|
| Product: | [Other] Security Response | Reporter: | OSIDB Bzimport <bzimport> |
| Component: | vulnerability | Assignee: | Product Security DevOps Team <prodsec-dev> |
| Status: | NEW --- | QA Contact: | |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | unspecified | CC: | aazores, abrianik, anthomas, ant, aprice, aschwart, asoldano, aszczucz, ataylor, avibelli, bbaranow, bbrownin, bgeorges, bmaxwell, boliveir, bstansbe, caswilli, ccranfor, cescoffi, chfoley, cmah, dandread, dbruscin, dhanak, dkreling, dlofthou, drichtar, drosa, dsimansk, eaguilar, ebaron, ehelms, ewittman, fmariani, fmongiar, ggainey, ggrzybek, gmalinko, gsmet, ibek, istudens, ivassile, iweiss, janstey, jcantril, jkoehler, jmartisk, jnethert, jolong, jpechane, jraez, jrokos, jsamir, juwatts, kaycoth, kgaikwad, kingland, kvanderr, kverlaen, lphiri, lthon, manderse, mhulan, mnovotny, mosmerov, mposolda, mstipich, msvehla, nipatil, nmoumoul, nwallace, oezr, olubyans, osousa, pantinor, parichar, pberan, pbizzarr, pcreech, pdelbell, pesilva, pgallagh, pjindal, pmackay, probinso, rchan, rexwhite, rgodfrey, rguimara, rkubis, rmartinc, rojacob, rruss, rstancel, rstepani, rsvoboda, sausingh, sbiarozk, sdawley, smaestri, smallamp, ssilvert, sthirugn, sthorger, swoodman, tasato, tcunning, thjenkin, tmalecek, tqvarnst, vdosoudi, vmuzikar, yfang |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | --- | |
| Doc Text: |
A flaw was found in Netty. A remote user can trigger a Denial of Service (DoS) against a Netty HTTP/2 server by sending a flood of CONTINUATION frames. The server's lack of a limit on these frames, coupled with a bypass of size-based mitigations using zero-byte frames, allows an attacker to consume excessive CPU resources. This can render the server unresponsive with minimal bandwidth usage.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | Type: | --- | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 2453263, 2453262 | ||
| Bug Blocks: | |||
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Description
OSIDB Bzimport
2026-03-27 21:02:36 UTC
This issue has been addressed in the following products: Red Hat Build of Apache Camel 4.14 for Quarkus 3.27 Via RHSA-2026:8159 https://access.redhat.com/errata/RHSA-2026:8159 This issue has been addressed in the following products: Red Hat AMQ Broker 7.14.0 Via RHSA-2026:8509 https://access.redhat.com/errata/RHSA-2026:8509 This issue has been addressed in the following products: Streams for Apache Kafka 3.2.0 Via RHSA-2026:13571 https://access.redhat.com/errata/RHSA-2026:13571 This issue has been addressed in the following products: Red Hat AMQ Broker 7.13.5 Via RHSA-2026:14272 https://access.redhat.com/errata/RHSA-2026:14272 This issue has been addressed in the following products: Red Hat AMQ Broker 7.12.7 Via RHSA-2026:14276 https://access.redhat.com/errata/RHSA-2026:14276 This issue has been addressed in the following products: Red Hat build of Apache Camel 4.18.1 for Spring Boot 3.5.14 Via RHSA-2026:17668 https://access.redhat.com/errata/RHSA-2026:17668 This issue has been addressed in the following products: Red Hat JBoss Enterprise Application Platform 8.1 Via RHSA-2026:18059 https://access.redhat.com/errata/RHSA-2026:18059 This issue has been addressed in the following products: Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 Via RHSA-2026:18055 https://access.redhat.com/errata/RHSA-2026:18055 This issue has been addressed in the following products: Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 Via RHSA-2026:18054 https://access.redhat.com/errata/RHSA-2026:18054 This issue has been addressed in the following products: Cryostat 4 on RHEL 9 Via RHSA-2026:17789 https://access.redhat.com/errata/RHSA-2026:17789 This issue has been addressed in the following products: Red Hat Data Grid 8.6.1 Via RHSA-2026:22619 https://access.redhat.com/errata/RHSA-2026:22619 This issue has been addressed in the following products: Streams for Apache Kafka 2.9.4 Via RHSA-2026:34608 https://access.redhat.com/errata/RHSA-2026:34608 This issue has been addressed in the following products: Red Hat JBoss Enterprise Application Platform 8.1 Via RHSA-2026:70421 https://access.redhat.com/errata/RHSA-2026:70421 This issue has been addressed in the following products: Red Hat JBoss Enterprise Application Platform 8.1 Via RHSA-2026:19678 https://access.redhat.com/errata/RHSA-2026:19678 |