01 Record
CVE-2025-11419
Keycloak: keycloak tls client-initiated renegotiation denial of service
HighPUBLISHEDCNA: redhat
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
02 Description
Keycloak: keycloak tls client-initiated renegotiation denial of service
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.71% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 53.5% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-19.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2025-12-23 20:42Z10 MO AGO
- Last updated
- 2026-04-20 17:45Z6 MO AGO
- Reserved
- 2025-10-07
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-770Allocation of Resources Without Limits or ThrottlingBase
- Data version
- 5.2
- Document digest
- 60961f2610c05289b02936cbc726c6629db377d0e28ef0615d15e7b910e5867b
05 Affected products
VendorProductVersionsPlatforms
06 References
- access.redhat.comRHSA-2025:18254https://access.redhat.com/errata/RHSA-2025:18254
- access.redhat.comRHSA-2025:18255https://access.redhat.com/errata/RHSA-2025:18255
- access.redhat.comRHSA-2025:18889https://access.redhat.com/errata/RHSA-2025:18889
- access.redhat.comRHSA-2025:18890https://access.redhat.com/errata/RHSA-2025:18890
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2025-11419
- bugzilla.redhat.comRHBZ#2402142https://bugzilla.redhat.com/show_bug.cgi?id=2402142
- github.comhttps://github.com/keycloak/keycloak/discussions/25209
- github.comhttps://github.com/keycloak/keycloak/issues/43020