openSUSE Leap 16.0 Advisory ID 2026-21066-1 Python Multipart Important DoS
opensuse
June 30, 2026
An update that solves 4 vulnerabilities and has 4 bug fixes can now be installed.
Description
This update for python-python-multipart fixes the following issues
- CVE-2026-53537: multipart/form-data with extended parameters can lead to file or parameter smuggling (bsc#1268506).
- CVE-2026-53538: urlencoded requests containing semicolons can lead to form field smuggling (bsc#1268496).
- CVE-2026-53539: small crafted body can cause a denial of service (bsc#1268500).
- CVE-2026-53540: crafted request buffers can lead to degrading availability (bsc#1268488).
Patch instructions:
To install this openSUSE security update use the suse recommended installation methods
like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
- openSUSE Leap 16.0
zypper in -t patch openSUSE-Leap-16.0-1088=1
Topics Covered
Patch
Package List
- openSUSE Leap 16.0:
python313-python-multipart-0.0.20-160000.5.1
References
* bsc#1268488
* bsc#1268496
* bsc#1268500
* bsc#1268506
References:
* https://www.suse.com/security/cve/CVE-2026-53537.html
* https://www.suse.com/security/cve/CVE-2026-53538.html
* https://www.suse.com/security/cve/CVE-2026-53539.html
* https://www.suse.com/security/cve/CVE-2026-53540.html
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Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: openSUSE-SU-2026:21066-1
Rating: important
Affected Products:
openSUSE Leap 16.0
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Topics Covered
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