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SUSE Python311 Important Command Injection Issues Fixed 2026-3132-1

suse
Calendar Grey July 20, 2026
Scroller Suse
This security advisory details an important update for python311 addressing four significant vulnerabilities.
SUSE released a security update for python311 addressing four vulnerabilities with varying severity, applicable to several SUSE Linux distributions, requiring prompt installation u...

Summary

## This update for python311 fixes the following issues * CVE-2026-1502: CR/LF bytes not rejected by HTTP client proxy tunnel headers or host (bsc#1261969). * CVE-2026-4786: URLs containing `%action` can bypass mitigation that allows command injection via the `webbrowser.open()` API (bsc#1262319). * CVE-2026-6019: HTML parser-sensitive sequence not neutralized by `http.cookies.Morsel.js_output()` (bsc#1262654). * CVE-2026-6100: use-after-free in decompression modules when a memory allocation fails with a `MemoryError` and the decompression instance is re- used (bsc#1262098). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product:

Topics%20covered

Topics Covered

security advisory SuSE memory corruption important command injection python311

References

* bsc#1261969

* bsc#1262098

* bsc#1262319

* bsc#1262654

Cross-

* CVE-2026-1502

* CVE-2026-4786

* CVE-2026-6019

* CVE-2026-6100

CVSS scores:

* CVE-2026-1502 ( SUSE ): 5.7

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

* CVE-2026-1502 ( SUSE ): 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

* CVE-2026-1502 ( NVD ): 5.7

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-4786 ( SUSE ): 7.0

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:3132-1
Release Date: 2026-07-20T13:56:06Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE memory corruption important command injection python311

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