Linux · openSUSE Leap · Security advisory · June 18, 2026

OPENSUSE-SU-2026:21136-1: golang-github-prometheus-alertmanager security update

OPENSUSE-SU-2026:21136-1, released June 18, 2026, fixes 3 CVEs in golang-github-prometheus-alertmanager (version 0.28.1-bp160.1.1). None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
3
None rated Critical
Exploited
0
None reported
Highest CVSS
7.5
Base score, 0 to 10
Highest EPSS
0.8946
99th percentile

Priority of the 3 CVEs

Patch now 0 Urgent 0 High 1 Routine 2

Fixed package versions

ProductReleaseFixed in
golang-github-prometheus-alertmanageropensuse-leap 16.00.28.1-bp160.1.1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2023-45288 golang-github-prometheus-alertmanager: Fix HTTP/2 CONTINUATION flood in net/http (bsc#1236516)7.5 0.8946 None reported
Routine CVE-2025-47908 golang-github-prometheus-alertmanager: Bump github.com/rs/cors (bsc#1247748).n/a 0.0068 None reported
Routine CVE-2025-22870 amazon-ssm-agent: golang.org/x/net/proxy: proxy bypass using IPv6 zone IDs (bsc#1238702).4.4 0.0043 None reported
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