{"id":"openSUSE-SU-2026:22026-1","summary":"Security update for prometheus-blackbox_exporter","details":"This update for prometheus-blackbox_exporter fixes the following issues:\n\nChanges in prometheus-blackbox_exporter:\n\n- CVE-2026-84304: Fix heap memory exhaustion (OOM) via HTTP/2 DATA\n                  frame fragmentation in gRPC-Go by bumping it to\n                  version 1.83.1 (bsc#1279126)\n\n- CVE-2026-39821: Fix potential validation bypass and privilege\n                  escalation by bumping golang.org/x/net to version\n                  0.57.0 (bsc#1266556)\n\n- CVE-2026-39821: Bump golang.org/x/net to version 0.55.0 (bsc#1266556)\n\n- Build only for SUSE distributions\n\n- Upgrade to version 0.26.0 (jsc#PED-12872):\n  * Changes:\n    Replace go-kit/log with log/slog module.\n  * Features:\n    Add metric to record tls ciphersuite negotiated during\n      handshake.\n    Add a way to export labels with content matched by the probe.\n    Reports Certificate Serial number.\n  * Enhancement:\n    Add stale workflow to start sync with stale.yaml in Prometheus.\n  * Bug fixes:\n    Only register grpc TLS metrics on successful handshake.\n\n- Upgrade to version 0.25.0:\n  * Features:\n    Allow to get Probe logs by target.\n    Log errors from probe.\n  * Bug fixes:\n    Prevent logging confusing error message.\n    Explicit registration of internal exporter metrics.\n\n- Security:\n  * CVE-2025-22870: Fix proxy bypassing using IPv6 zone IDs (bsc#1238680)\n  * CVE-2023-45288: Fix closing connections when receiving too many headers (bsc#1236515)\n","modified":"2026-10-07T17:23:56.485661184Z","published":"2026-10-06T11:04:02Z","related":["CVE-2023-45288","CVE-2025-22870","CVE-2026-39821","CVE-2026-84304"],"upstream":["CVE-2023-45288","CVE-2025-22870","CVE-2026-39821","CVE-2026-84304"],"references":[{"type":"ADVISORY"},{"type":"REPORT","url":"https://bugzilla.suse.com/1236515"},{"type":"REPORT","url":"https://bugzilla.suse.com/1238680"},{"type":"REPORT","url":"https://bugzilla.suse.com/1266556"},{"type":"REPORT","url":"https://bugzilla.suse.com/1279126"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-45288"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-22870"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-39821"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-84304"}],"affected":[{"package":{"name":"prometheus-blackbox_exporter","ecosystem":"openSUSE:Leap 16.0","purl":"pkg:rpm/opensuse/prometheus-blackbox_exporter&distro=openSUSE%20Leap%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.0-bp160.1.1"}]}],"ecosystem_specific":{"binaries":[{"prometheus-blackbox_exporter":"0.26.0-bp160.1.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:22026-1.json"}}],"schema_version":"1.9.0"}