Fedora 43 alertmanager 0.31.1 Important Updates 2026-efbceeec2f
fedora
March 16, 2026
Initial build after rename and update to 0.31.1
Summary
The Alertmanager handles alerts sent by client applications such as the
Prometheus server. It takes care of deduplicating, grouping, and routing them to
the correct receiver integrations such as email, PagerDuty, or OpsGenie. It also
takes care of silencing and inhibition of alerts.
Update Information:
Initial build after rename and update to 0.31.1
Topics Covered
Change Log
* Fri Mar 6 2026 Mikel Olasagasti Uranga
References
[ 1 ] Bug #2408246 - CVE-2025-58189 golang-github-prometheus-alertmanager: go crypto/tls ALPN negotiation error contains attacker controlled information [fedora-43]
https://bugzilla.redhat.com/show_bug.cgi?id=2408246
[ 2 ] Bug #2408713 - CVE-2025-61725 golang-github-prometheus-alertmanager: Excessive CPU consumption in ParseAddress in net/mail [fedora-43]
https://bugzilla.redhat.com/show_bug.cgi?id=2408713
[ 3 ] Bug #2409717 - CVE-2025-61723 golang-github-prometheus-alertmanager: Quadratic complexity when parsing some invalid inputs in encoding/pem [fedora-43]
https://bugzilla.redhat.com/show_bug.cgi?id=2409717
[ 4 ] Bug #2410670 - CVE-2025-58185 golang-github-prometheus-alertmanager: Parsing DER payload can cause memory exhaustion in encoding/asn1 [fedora-43]
https://bugzilla.redhat.com/show_bug.cgi?id=2410670
[ 5 ] Bug #2411566 - CVE-2025-58188 golang-github-prometheus-alertmanager: Panic when validating certificates with DSA publi...
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-efbceeec2f' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
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Severity
important
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Name: alertmanager
Product: Fedora 43
Version: 0.31.1
Release: 2.fc43
Summary: Prometheus Alertmanager
Topics Covered
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