DEBIAN-CVE-2026-54275

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Source
https://security-tracker.debian.org/tracker/CVE-2026-54275
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-54275.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2026-54275
Upstream
Published
2026-06-22T18:16:46Z
Modified
2026-09-01T16:06:50Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, the server_hostname TLS SNI check can be bypassed when an existing connection is reused. If an application makes multiple requests to the same domain, but with different per-request server_hostname parameters, then the later calls may succeed by reusing the existing connection when they should have been rejected due to the TLS SNI check. This vulnerability is fixed in 3.14.1.

References

Affected packages

Debian:12 / python-aiohttp

Package

Name
python-aiohttp
Purl
pkg:deb/debian/python-aiohttp?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.8.4-1
3.8.4-1+deb12u1
3.8.5-1
3.8.6-1
3.9.1-1
3.9.5-1
3.10.0-1
3.10.1-1
3.10.3-1
3.10.3-2
3.10.3-3
3.10.4-1
3.10.5-1
3.10.6-1
3.10.8-1
3.10.10-1
3.10.10-2
3.10.11-1
3.11.15-1
3.11.16-1
3.12.15-1
3.13.0-1
3.13.1-1
3.13.3-1
3.13.3-2
3.13.3-3
3.13.5-1
3.14.0-1
3.14.1-1
3.14.1-2
3.14.1-3
3.14.1-4
3.14.1-5

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-54275.json"

Debian:13 / python-aiohttp

Package

Name
python-aiohttp
Purl
pkg:deb/debian/python-aiohttp?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.11.16-1
3.11.16-1+deb13u1
3.12.15-1
3.13.0-1
3.13.1-1
3.13.3-1
3.13.3-2
3.13.3-3
3.13.5-1
3.14.0-1
3.14.1-1
3.14.1-2
3.14.1-3
3.14.1-4
3.14.1-5

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-54275.json"

Debian:14 / python-aiohttp

Package

Name
python-aiohttp
Purl
pkg:deb/debian/python-aiohttp?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.14.1-1

Affected versions

3.*
3.11.16-1
3.12.15-1
3.13.0-1
3.13.1-1
3.13.3-1
3.13.3-2
3.13.3-3
3.13.5-1
3.14.0-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-54275.json"