ALAS2023-2026-1964: Security update for 11 packages

ALAS2023-2026-1964, released July 20, 2026, fixes 3 CVEs across 11 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.2

Base score, 0 to 10

Highest EPSS

0.0072

53rd percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 0
                                High 1
                                Routine 2

Fixed package versions

Product	Release	Fixed in
python3.13	amzn 2023	3.13.14-1.amzn2023.0.2
python3.13-debug	amzn 2023	3.13.14-1.amzn2023.0.2
python3.13-debuginfo	amzn 2023	3.13.14-1.amzn2023.0.2
python3.13-debugsource	amzn 2023	3.13.14-1.amzn2023.0.2
python3.13-devel	amzn 2023	3.13.14-1.amzn2023.0.2
python3.13-freethreading	amzn 2023	3.13.14-1.amzn2023.0.2
python3.13-freethreading-debug	amzn 2023	3.13.14-1.amzn2023.0.2
python3.13-idle	amzn 2023	3.13.14-1.amzn2023.0.2
python3.13-libs	amzn 2023	3.13.14-1.amzn2023.0.2
python3.13-test	amzn 2023	3.13.14-1.amzn2023.0.2
python3.13-tkinter	amzn 2023	3.13.14-1.amzn2023.0.2

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-11972	tarfile opened in streaming mode mishandles EOF	8.2	0.0072	None reported
Routine	CVE-2025-13462	tarfile: Skip DIRTYPE normalization during GNU LONGNAME/LONGLINK handling	3.3	0.0018	None reported
Routine	CVE-2026-0864	Configuration Injection via Carriage Return (\r) in write() method	5.5	0.0013	None reported

Also fixes CVE-2026-11972

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
OPENSUSE-SU-2026:21595-1
python313, python313-core, python313-documentation and 2 more on opensuse-leap 16.0
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

Vendor advisory

https://alas.aws.amazon.com/AL2023/ALAS-2026-1964.html

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