CVE-2025-53643
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
AIOHTTP is vulnerable to HTTP Request/Response Smuggling through incorrect parsing of chunked trailer sections
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2025-53643
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2025-53643.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | fixed | 3.12.15-1 |
| debian | sid | fixed | 3.12.15-1 |
| debian | trixie | affected | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | aiohttp | <3.12.14 | 3.12.14 |
References
- https://github.com/aio-libs/aiohttp/security/advisories/GHSA-9548-qrrj-x5pj
- https://nvd.nist.gov/vuln/detail/CVE-2025-53643
- https://github.com/aio-libs/aiohttp/commit/e8d774f635dc6d1cd3174d0e38891da5de0e2b6a
- https://github.com/aio-libs/aiohttp
- https://www.suse.com/security/cve/CVE-2025-53643.html
- https://security-tracker.debian.org/tracker/CVE-2025-53643
Verify integrity in audit chain (admin only). AS-IS.