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openSUSE Leap · Security advisory · June 19, 2026
openSUSE Leap · Security advisory · June 19, 2026OPENSUSE-SU-2026:21098-1: python-aiohttp security update
OPENSUSE-SU-2026:21098-1, released June 19, 2026, fixes 11 CVEs in python-aiohttp (version 3.11.16-160000.5.1). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
11
None rated Critical
Exploited
0
None reported
Highest CVSS
7.5
Base score, 0 to 10
Highest EPSS
0.0048
41st percentile
Priority of the 11 CVEs
Patch now 0
Urgent 0
High 3
Routine 8
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| python-aiohttp | opensuse-leap 16.0 | 3.11.16-160000.5.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-34513 | python3-aiohttp: AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python | 7.5 | 0.0046 | None reported |
| High | CVE-2026-34993 | python-aiohttp: loading untrusted input in `CookieJar.load()` can lead to arbitrary code execution (bsc#1267471). | 7.3 | 0.0018 | None reported |
| High | CVE-2026-47265 | python-aiohttp: cookies set with the `cookies` parameter on requests are sent after following a cross-origin redirect | 7.5 | 0.0015 | None reported |
| Routine | CVE-2026-34520 | python-aiohttp: improper character handling by C parser can lead to header injection (bsc#1261335). | 3.7 | 0.0048 | None reported |
| Routine | CVE-2026-22815 | python3-aiohttp: AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python | 5.3 | 0.0046 | None reported |
| Routine | CVE-2026-34516 | python3-aiohttp: AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python | 5.3 | 0.0046 | None reported |
| Routine | CVE-2026-34517 | python-aiohttp: large multipart form fields read into memory without size check can cause a denial of service | 5.3 | 0.0040 | None reported |
| Routine | CVE-2026-34518 | python-aiohttp: retained `Cookie` and `Proxy-Authorization` headers when following redirects can lead to information | 5.3 | 0.0035 | None reported |
| Routine | CVE-2026-34514 | python3-aiohttp: AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python | 5.3 | 0.0033 | None reported |
| Routine | CVE-2026-34519 | python-aiohttp: response `reason` parameter can be use to perform header injection (bsc#1261334). | 5.3 | 0.0030 | None reported |
| Routine | CVE-2026-34525 | python-aiohttp: multiple `Host` headers allow for potential security bypass in proxy servers (bsc#1261343). | 5.4 | 0.0030 | None reported |
Showing 1 to 11 of 11
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