aio-libs/aiohttp · Security
AIOHTTP: Connector pool exhaustion via Max-Age overflow
- GHSA ID
- GHSA-6cjc-53gc-5rqm
- CVE ID
- CVE-2026-111065
- Severity
- medium
- Published
- Updated
- CVSS v4
- 6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Description
Summary
An overflow in Max-Age processing can skip closing a connection.
Impact
An attacker may be able to exhaust the connection pool temporarily, until garbage collection resolves the connections.
CWEs
- CWE-770 · Allocation of Resources Without Limits or Throttling
References
- https://github.com/aio-libs/aiohttp/security/advisories/GHSA-6cjc-53gc-5rqm ↗
- https://nvd.nist.gov/vuln/detail/CVE-2026-111065 ↗
- https://github.com/aio-libs/aiohttp/commit/9dd8eaf4e31f1237ef2c1574a8c82a739fca5805 ↗
- https://github.com/aio-libs/aiohttp/releases/tag/v3.14.4 ↗
- https://github.com/advisories/GHSA-6cjc-53gc-5rqm ↗