CVE-2026-93491
Last modified
CVE-2026-93491 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A flaw was found in Netty's HttpServerCodec. A remote, unauthenticated attacker can exploit this vulnerability by pipelining HTTP/1.1 requests on a single connection and withholding reads. EPSS estimates a 0.73% chance of exploitation in the next 30 days.
Description
A flaw was found in Netty's HttpServerCodec. A remote, unauthenticated attacker can exploit this vulnerability by pipelining HTTP/1.1 requests on a single connection and withholding reads. This action causes the methodOverflowQueue to grow without limit, leading to unbounded heap memory consumption and a denial of service due to memory exhaustion.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Build of Apache Camel 3.33.3.SP2 | All versions |
| Red Hat | Red Hat build of Keycloak 26.4 | All versions |
| Red Hat | Red Hat build of Keycloak 26.6 | All versions |
| Red Hat | Red Hat AMQ Broker 7 | All versions |
| Red Hat | Red Hat AMQ Clients | All versions |
| Red Hat | Red Hat build of Apache Camel 4 for Quarkus 3 | All versions |
| Red Hat | Red Hat build of Apache Camel for Spring Boot 4 | All versions |
| Red Hat | Red Hat build of Apicurio Registry 3 | All versions |
| Red Hat | Red Hat Data Grid 8 | All versions |
| Red Hat | Red Hat Fuse 7 | All versions |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7 | All versions |
| Red Hat | Red Hat Single Sign-On 7 | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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