Summary
USN-8972-1 fixed vulnerabilities in HAProxy. On Ubuntu 22.04 LTS, the update caused a regression when processing certain chunked requests. This update fixes the problem.
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Original advisory details:
It was discovered that HAProxy incorrectly handled truncated HTTP/2 PING frames. A remote attacker could possibly use this issue to cause HAProxy to consume excessive CPU resources, leading to a denial of service. (CVE-2026-110353)
It was discovered that HAProxy incorrectly handled certain HTTP/1.1 chunked requests. A remote attacker could possibly use this issue to cause HAProxy to consume excessive CPU resources, leading to a denial of service. (CVE-2026-110354)
Products covered
A separate affected-products list was not included in the collected bulletin.
Remediation
USN-8972-1 fixed vulnerabilities in HAProxy.
CVEs in this advisory 2
Updates
- Published by Ubuntu
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.