CVE-2026-111108: Red Hat Apache kafka: Denial of Service via excessive memory allocation during request parsing
This Red Hat advisory covers CVE-2026-111108. Related products: streams for Apache Kafka 3.
Key facts
- Vendor rating
- High, CVSS 7.5
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H· base score 9.1, scored by CISA-ADPAttack vector: network. Attack complexity: low. Privileges required: none. User interaction: none. Scope: unchanged. Confidentiality impact: high. Integrity impact: none. Availability impact: high.- Weakness
- CWE-770 Allocation of resources without limits or throttling
- CWE-789 Memory allocation with excessive size value
- CWE-400 Uncontrolled Resource Consumption
- EPSS
- 0.59% chance of exploitation in the next 30 days (48th percentile). FIRST EPSS, .
- CISA SSVC
- Exploitation: none observed. Automatable: yes. Technical impact: partial. CISA, .
- CISA KEV
- Not listed (catalogue checked )
- Fixed in
- 4.2.2, 4.3.2, 4.4.0
- Source published
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Related products & platforms
Description
Apache kafka: Denial of Service via excessive memory allocation during request parsing. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-770.
Affected product named by the advisory: streams for Apache Kafka 3.
Text from the source record.
How to fix CVE-2026-111108
Upgrade to a fixed release named by Red Hat:
- 4.2.2
- 4.3.2
- 4.4.0
Vendor guidance
- Red Hat is not aware of any available mitigation for this issue. Customers are advised to apply the relevant security updates as they become available.
CVE-2026-111108 in other vendors' advisories
- Apache: CVE-2026-111108, fixed in 4.2.2, 4.3.2, 4.4.0
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