SUSE aiohttp · Security update for python-aiohttp
Affects SUSE aiohttpSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 2.7 Low · fixed in Ubuntu package updates : update SUSE aiohttp when convenient.
Data as of 31 Oct 2026, 20:20 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 45% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 0.20.0_7, 1.16.50_2
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:UExploitation evidence
Disclosed: evidence found.
CVE published 22 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 31 Oct 2026.
What to do
Upgrade vdirsyncer to 0.20.0_7; bzt to 1.16.50_2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
PyPIaiohttppkg:pypi/aiohttpOther threats | Affected
| Fixed in– |
Homebrewvdirsyncerpkg:brew/vdirsyncerOther threats | Affected
| Fixed in
|
Homebrewbztpkg:brew/bztOther threats | Affected
| Fixed in
|
Ubuntu Pro 16.04 LTSpython-aiohttppkg:deb/ubuntu/python-aiohttp?arch=source&distro=esm-apps-legacy/xenialOther threats | Affected
| Fixed in– |
Ubuntu Pro 18.04 LTSpython-aiohttppkg:deb/ubuntu/python-aiohttp?arch=source&distro=esm-apps/bionicOther threats | Affected
| Fixed in– |
Ubuntu Pro 20.04 LTSpython-aiohttppkg:deb/ubuntu/python-aiohttp?arch=source&distro=esm-apps/focalOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
This update for python-aiohttp fixes the following issues - CVE-2026-50269: improper validation of user-controlled strings allows for CRLF injection in multipart headers (bsc#1268398). - CVE-2026-54273: no limit in the HTTP/1 pipelined request queue can lead to excessive resource consumption (bsc#1268543). - CVE-2026-54274: incomplete websocket frame payloads can bypass memory use limits and cause a DoS via excessive resource consumption (bsc#1268544). - CVE-2026-54275: `server_hostname` TLS SNI check bypass when an existing connection is reused (bsc#1268549). - CVE-2026-54277: `max_line_size` bypass when using the optimised C HTTP parser can lead to excessive resource consumption (bsc#1268556). - CVE-2026-54278: unread compressed request bodies can bypass `client_max_size` during cleanup and cause a DoS (bsc#1268559). - CVE-2026-54279: host-only cookies become domain cookies after `CookieJar` persistence (bsc#1268560). - CVE-2026-54280: payload resources are not closed correctly when a client disconnects in the middle of a write and can cause resource starvation (bsc#1268561).
References
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_21372-1.json (opens in a new tab)
- bugzilla.suse.com/1268398 (opens in a new tab)
- bugzilla.suse.com/1268543 (opens in a new tab)
- bugzilla.suse.com/1268544 (opens in a new tab)
- bugzilla.suse.com/1268549 (opens in a new tab)
- bugzilla.suse.com/1268556 (opens in a new tab)
- bugzilla.suse.com/1268559 (opens in a new tab)
- bugzilla.suse.com/1268560 (opens in a new tab)
- bugzilla.suse.com/1268561 (opens in a new tab)
- suse.com/security/cve/CVE-2026-50269/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-54273/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-54274/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-54275/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-54277/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-54278/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-54279/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-54280/ (opens in a new tab)