Debian trixie
Source: Debian Security Tracker
prometheus-alertmanager→ fixed in0.26.0+ds-1urgency: unimportantsudo apt-get install --only-upgrade -y prometheus-alertmanager
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CVE-2023-40577 · cross-distro fix matrix
CVE-2023-40577: Alertmanager handles alerts sent by client applications such as the Prometheus server. An attacker with the permission to perform POST requests on the /api/v1/alerts endpoint could be able to execute arbitrary JavaScript code on the users of Prometheus Alertmanager. This issue has been fixed in Aler
Affects 5 Linux releases across 5 (distro × package) combinations.
Fix per ecosystem
Each block below is a distro release where CVE-2023-40577 has a known fix. Run the listed command on that distro to remediate.
Alpine v3.20
Source: Alpine secdb
alertmanager→ fixed in0.26.0-r0apk update && apk add --upgrade alertmanager
Alpine v3.21
Source: Alpine secdb
alertmanager→ fixed in0.26.0-r0apk update && apk add --upgrade alertmanager
Alpine edge
Source: Alpine secdb
alertmanager→ fixed in0.26.0-r0apk update && apk add --upgrade alertmanager
Alpine v3.19
Source: Alpine secdb
alertmanager→ fixed in0.26.0-r0apk update && apk add --upgrade alertmanager
Are YOU affected by CVE-2023-40577?
5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.
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