FEDORA-2026-4E3279AF04: Security update for 9 packages

FEDORA-2026-4E3279AF04, released November 8, 2026, fixes 3 CVEs across 9 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

9.4

Base score, 0 to 10

Highest EPSS

0.0053

45th percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 1
                                High 1
                                Routine 1

Fixed package versions

Product	Release	Fixed in
python3.12	Fedora 43	3.12.16-2.fc43
python3.12-debug	Fedora 43	3.12.16-2.fc43
python3.12-debuginfo	Fedora 43	3.12.16-2.fc43
python3.12-debugsource	Fedora 43	3.12.16-2.fc43
python3.12-devel	Fedora 43	3.12.16-2.fc43
python3.12-idle	Fedora 43	3.12.16-2.fc43
python3.12-libs	Fedora 43	3.12.16-2.fc43
python3.12-test	Fedora 43	3.12.16-2.fc43
python3.12-tkinter	Fedora 43	3.12.16-2.fc43

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-115557	Distrust compromised intermediate certificates in ssl module	9.4	0.0053	None reported
High	CVE-2026-12345	Race condition in tempfile.TemporaryDirectory cleanup allows deleting files outside the temporary directory	8.1	0.0034	None reported
Routine	CVE-2026-114583	tar filter allows writing outside destination via empty-named symlink	6.9	0.0026	None reported

Also fixes CVE-2026-115557

ALAS2023-2026-3356
python3.11, python3.11-debug, python3.11-debuginfo and 6 more on amzn 2023
Python 3.14 3.14.10
Python 3.14
DEBIAN-CVE-2026-115557
python3.14, python3.15 on Debian 14

Vendor advisory

https://bodhi.fedoraproject.org/updates/FEDORA-2026-4e3279af04

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