DEBIAN-CVE-2025-57804: python-h2 security update

DEBIAN-CVE-2025-57804, released August 25, 2025, fixes 1 CVE in python-h2 (version 4.3.0-1). None of them is reported as exploited. Patch Radar priority: Routine.

Routine

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

n/a

No CVSS score published

Highest EPSS

0.0188

79th percentile

Fixed package versions

Product	Release	Fixed in
python-h2	Debian 14	4.3.0-1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Routine	CVE-2025-57804	python-h2: python-h2 - security update	n/a	0.0188	None reported

Also fixes CVE-2025-57804

OPENSUSE-SU-2026:20122-1
python-h2 on opensuse-leap 16.0
SUSE-SU-2026:20187-1
python-h2 on sles 16.0
SUSE-SU-2025:03273-1
python-h2 on sles 15.6, sles 15.7
SUSE-SU-2025:03199-1
python-h2 on opensuse-leap 15.6
ALAS2023-2025-1181
python3-h2 on amzn 2023
DLA-4290-1
python-h2 on Debian 11.6 (bullseye)

Vendor advisory

https://security-tracker.debian.org/tracker/CVE-2025-57804

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