HIGHMaven →
Undertow MadeYouReset HTTP/2 DDoS Vulnerability
Undertow MadeYouReset HTTP/2 DDoS Vulnerability
Affected packages
- io.undertow:undertow-core— before 2.2.38.Final
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://nvd.nist.gov/vuln/detail/CVE-2025-9784
- https://github.com/undertow-io/undertow/pull/1805
- https://github.com/undertow-io/undertow/pull/1804
- https://github.com/undertow-io/undertow/pull/1803
- https://github.com/undertow-io/undertow/pull/1802
- https://github.com/undertow-io/undertow/pull/1778
- https://www.kb.cert.org/vuls/id/767506
- https://kb.cert.org/vuls/id/767506
- https://issues.redhat.com/browse/UNDERTOW-2598
- https://github.com/undertow-io/undertow/releases/tag/2.2.38.Final
- https://github.com/undertow-io/undertow
- https://bugzilla.redhat.com/show_bug.cgi?id=2392306
- https://access.redhat.com/security/cve/CVE-2025-9784
- https://access.redhat.com/errata/RHSA-2026:4924
- https://access.redhat.com/errata/RHSA-2026:4917
- https://access.redhat.com/errata/RHSA-2026:4916
- https://access.redhat.com/errata/RHSA-2026:4915
- https://access.redhat.com/errata/RHSA-2026:3892
- https://access.redhat.com/errata/RHSA-2026:3891
- https://access.redhat.com/errata/RHSA-2026:3889
- https://access.redhat.com/errata/RHSA-2026:33372
- https://access.redhat.com/errata/RHSA-2026:33371
- https://access.redhat.com/errata/RHSA-2026:0386
- https://access.redhat.com/errata/RHSA-2026:0384
- https://access.redhat.com/errata/RHSA-2026:0383
- https://access.redhat.com/errata/RHSA-2025:23143
Structured record: https://osv.dev/vulnerability/GHSA-95h4-w6j8-2rp8
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