Linux · SUSE Linux Enterprise · Security advisory · July 23, 2026
SUSE-SU-2026:3208-1: python-aiohttp security update
SUSE-SU-2026:3208-1, released July 23, 2026, fixes 8 CVEs in python-aiohttp (version 3.6.0-150100.3.38.1). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
8
None rated Critical
Exploited
0
None reported
Highest CVSS
7.5
Base score, 0 to 10
Highest EPSS
0.0056
47th percentile
Priority of the 8 CVEs
Patch now 0
Urgent 0
High 8
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| python-aiohttp | sles 15.6 | 3.6.0-150100.3.38.1 |
| python-aiohttp | sles 15.7 | 3.6.0-150100.3.38.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-54277 | python-aiohttp: `max_line_size` bypass when using the optimised C HTTP parser can lead to excessive resource | 7.5 | 0.0056 | None reported |
| High | CVE-2026-54274 | python-aiohttp: incomplete websocket frame payloads can bypass memory use limits and cause a DoS via excessive | 7.5 | 0.0054 | None reported |
| High | CVE-2026-50269 | python-aiohttp: improper validation of user-controlled strings allows for CRLF injection in multipart headers | 7.5 | 0.0053 | None reported |
| High | CVE-2026-54273 | python-aiohttp: no limit in the HTTP/1 pipelined request queue can lead to excessive resource consumption | 7.5 | 0.0049 | None reported |
| High | CVE-2026-54278 | python-aiohttp: unread compressed request bodies can bypass `client_max_size` during cleanup and cause a DoS | 7.5 | 0.0049 | None reported |
| High | CVE-2026-54279 | python-aiohttp: host-only cookies become domain cookies after `CookieJar` persistence (bsc#1268560). | 7.5 | 0.0049 | None reported |
| High | CVE-2026-54275 | python-aiohttp: `server_hostname` TLS SNI check bypass when an existing connection is reused (bsc#1268549). | 7.5 | 0.0047 | None reported |
| High | CVE-2026-54280 | python-aiohttp: payload resources are not closed correctly when a client disconnects in the middle of a write and | 7.5 | 0.0046 | None reported |
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