OPENSUSE-SU-2026:21595-1: Security update for 5 packages

OPENSUSE-SU-2026:21595-1, released August 19, 2026, fixes 8 CVEs across 5 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.7

Base score, 0 to 10

Highest EPSS

0.0075

55th percentile

Priority of the 8 CVEs

Patch now 0
                                Urgent 0
                                High 5
                                Routine 3

Fixed package versions

Product	Release	Fixed in
python313	opensuse-leap 16.0	3.13.14-160000.2.1
python313-core	opensuse-leap 16.0	3.13.14-160000.2.1
python313-documentation	opensuse-leap 16.0	3.13.14-160000.2.1
python313-nogil	opensuse-leap 16.0	3.13.14-160000.2.1
python313-nogil-nogil-core	opensuse-leap 16.0	3.13.14-160000.2.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-11940	tarfile extraction filter bypass allows escaping the destination directory	7.8	0.0075	None reported
High	CVE-2026-11972	tarfile opened in streaming mode mishandles EOF	8.2	0.0072	None reported
High	CVE-2026-15308	Incremental HTMLParser feed() allows CPU-exhaustion DoS via repeated unterminated markup declarations	8.7	0.0064	None reported
High	CVE-2025-15366	IMAP command injection in user-controlled commands	7.1	0.0043	None reported
High	CVE-2025-15367	POP3 command injection in user-controlled commands	7.1	0.0038	None reported
Routine	CVE-2026-4360	Tarfile.extract() doesn't fully respect filter parameter	5.3	0.0048	None reported
Routine	CVE-2026-8328	FTP PASV SSRF, ftpcp() does not use actual peer address, trusts server-supplied PASV host address	5.9	0.0046	None reported
Routine	CVE-2026-0864	Configuration Injection via Carriage Return (\r) in write() method	5.5	0.0013	None reported

Also fixes CVE-2026-11940

SUSE-SU-2026:4534-1
python312, python312-core on sles 15.6
SUSE-SU-2026:4754-1
python3, python3-core on sles 15.6, sles 15.7
SUSE-SU-2026:3649-1
python313, python313-core on sles 15.7
SUSE-SU-2026:23303-1
python313, python313-core, python313-documentation on sles 16.0
SUSE-SU-2026:3560-1
python311, python311-core on sles 15.6, sles 15.7
Python 3.13 3.13.15
Python 3.13
Python 3.14 3.14.7
Python 3.14
ALAS2023-2026-1910
python3.13, python3.13-debug, python3.13-debuginfo and 8 more on amzn 2023

Vendor advisory

https://osv.dev/vulnerability/openSUSE-SU-2026:21595-1

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