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openSUSE Vulnerability CVE-2026-1818 for Python39 Command Injection Issue

opensuse
Calendar Grey May 13, 2026
Dist Opensuse Esm H88
An important security update for openSUSE fixes six issues in python39 software. Install it to mitigate risks!
An update that solves six vulnerabilities and has one security fix can now be installed.

Description

This update for python39 fixes the following issues:

Security issues fixed:

* CVE-2026-1502: HTTP client proxy tunnel headers not validated for CR/LF

(bsc#1261969).

* CVE-2026-3446: base64 decoding stops at first padded quad by default and

ignores other information that could be processed (bsc#1261970).

* CVE-2026-3479: improper resource argument validation in `pkgutil.get_data()`

can lead to path traversal (bsc#1259989).

* CVE-2026-4786: URLs prefixed with `%action` can pass the dash-prefix safety

check and allow for command injection (bsc#1262319).

* CVE-2026-6019: `BaseCookie.js_output()` does not neutralize characters in

cookie values embedded in JS (bsc#1262654).

* CVE-2026-6100: use-after-free in `lzma.LZMADecompressor`,

`bz2.BZ2Decompressor`, and `gzip.GzipFile` when process is under memory

pressure(bsc#1262098).

Other updates and bugfixes:

* Rewrite structure of Python interpreter packages. `python3*` symbols should

be now...

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Topics%20covered

Topics Covered

security advisory important command injection path traversal OpenSUSE python39

Patch

## 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:

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1818=1

* openSUSE Leap 15.3

zypper in -t patch SUSE-2026-1818=1

* SUSE Linux Enterprise Server 15 SP5 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1818=1

Package List

* SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)

* python39-dbm-3.9.25-150300.4.106.1

* python39-base-3.9.25-150300.4.106.1

* python39-3.9.25-150300.4.106.1

* libpython3_9-1_0-3.9.25-150300.4.106.1

* python39-curses-3.9.25-150300.4.106.1

* openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64 i586)

* python39-dbm-3.9.25-150300.4.106.1

* python39-testsuite-3.9.25-150300.4.106.1

* python39-base-3.9.25-150300.4.106.1

* python39-tools-3.9.25-150300.4.106.1

* python39-curses-debuginfo-3.9.25-150300.4.106.1

* python39-core-debugsource-3.9.25-150300.4.106.1

* python39-debuginfo-3.9.25-150300.4.106.1

* python39-testsuite-debuginfo-3.9.25-150300.4.106.1

* python39-tk-debuginfo-3.9.25-150300.4.106.1

* python39-doc-3.9.25-150300.4.106.1

* python39-debugsource-3.9.25-150300.4.106.1

* python39-doc-devhelp-3.9.25-150300.4.106.1

* python39-idle-3.9.25-150300.4.106.1

* python39-dbm-debuginfo-3.9.25-150300.4.106.1

* python39-base-debuginfo-3.9.25-150300.4.106.1

* python39-3.9.25-150300.4.106.1

*...

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References

* bsc#1258364

* bsc#1259989

* bsc#1261969

* bsc#1261970

* bsc#1262098

* bsc#1262319

* bsc#1262654

## References:

* https://www.suse.com/security/cve/CVE-2026-1502.html

* https://www.suse.com/security/cve/CVE-2026-3446.html

* https://www.suse.com/security/cve/CVE-2026-3479.html

* https://www.suse.com/security/cve/CVE-2026-4786.html

* https://www.suse.com/security/cve/CVE-2026-6019.html

* https://www.suse.com/security/cve/CVE-2026-6100.html

* https://bugzilla.suse.com/show_bug.cgi?id=1258364

* https://bugzilla.suse.com/show_bug.cgi?id=1259989

* https://bugzilla.suse.com/show_bug.cgi?id=1261969

* https://bugzilla.suse.com/show_bug.cgi?id=1261970

* https://bugzilla.suse.com/show_bug.cgi?id=1262098

* https://bugzilla.suse.com/show_bug.cgi?id=1262319

* https://bugzilla.suse.com/show_bug.cgi?id=1262654

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1818-1
Release Date: 2026-05-12T07:58:54Z
Affected Products: * openSUSE Leap 15.3 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP5

Topics%20covered

Topics Covered

security advisory important command injection path traversal OpenSUSE python39

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