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aiohttp: AIOHTTP: Denial of Service via malformed HTTP responses

🗓️ 03 Sep 2026 23:00:42Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

Out-of-bounds heap read in AIOHTTP's C response parser via malformed HTTP responses causes DoS.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9noarchansible-core1:2.16.19-1.el9satansible-core-1:2.16.19-1.el9sat.noarch.rpm
Red Hat Enterprise Linux9noarchansible-test1:2.16.19-1.el9satansible-test-1:2.16.19-1.el9sat.noarch.rpm
Red Hat Enterprise Linux9x86_64python-aiohttp-debugsource3.14.3-1.el9pcpython-aiohttp-debugsource-3.14.3-1.el9pc.x86_64.rpm
Red Hat Enterprise Linux9x86_64python3.11-aiohttp3.14.3-1.el9pcpython3.11-aiohttp-3.14.3-1.el9pc.x86_64.rpm
Red Hat Enterprise Linux9x86_64python3.11-aiohttp-debuginfo3.14.3-1.el9pcpython3.11-aiohttp-debuginfo-3.14.3-1.el9pc.x86_64.rpm

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04 Sep 2026 15:04Current
7.2High risk
Vulners AI Score7.2
CVSS 47.1
EPSS0.003
SSVC
5