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CVE-2026-54428 Allocation of resources without limits or throttling in the HTTP/2 HPACK decoder in Apache HttpComponents Core (5.4.2…
Description
Allocation of resources without limits or throttling in the HTTP/2 HPACK decoder in Apache HttpComponents Core (5.4.2 and earlier, 5.5-beta1 and earlier) allows an remote attacker to cause a denial of service through memory exhaustion by sending oversized compressed header blocks before the HTTP/2 SETTINGS acknowledgement causes the configured header list size limit to be applied.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Apache HttpComponents Core 5.5 | 5.5-alpha → 5.5-beta1 | No fix stated |
| Apache HttpComponents Core 5.0 | 5.0-alpha → 5.4.2 | No fix stated |
References
- lists.apache.org lists.apache.org
Timeline
- Published
- Last modified