SUSE-SU-2026:4210-1

This update for alloy fixes the following issues:

• CVE-2026-1229: github.com/cloudflare/circl: the CombinedMult function in the ecc/p384 package produces an incorrect value for specific inputs (bsc#1265542).
• CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE (bsc#1265845).
• CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation (bsc#1266654).
• CVE-2026-41506: github.com/go-git/go-git/v5: HTTP authentication credential leak when following redirects during smart-HTTP clone and fetch operations (bsc#1264949).
• CVE-2026-41606: github.com/apache/thrift: crafted nested messages in c_glib dispatch can lead to uncontrolled recursion and denial of service (bsc#1263324).
• CVE-2026-41607: github.com/apache/thrift: crafted message with improper length validation can lead to an out-of-bounds read and potential information disclosure (bsc#1263289).

Changes for alloy:

• Update to version 1.18.0:

• BREAKING: otelcol HTTP receivers default to idle_timeout='1m', read_header_timeout='1m', write_timeout='30s' to match upstream. Affects otlp, faro, jaeger, zipkin, influxdb, splunkhec, datadog and jaeger_remote_sampling.
• Back off usage reporting on persistent failure
• Fix Beyla glob parsing
• Bump github.com/prometheus/procfs for XFS Collector fix
• database_observability.mysql: Simplify denylist in-memory map
• database_observability.postgres: Handle DSN with unix sockets
• database_observability.postgres: Update collect intervals
• database_observability: Explain-plan conditions now redact
• Don't emit error log when remotecfg is unused
• For a full list of changes, please refer to the CHANGELOG: https://github.com/grafana/alloy/blob/v1.18.0/CHANGELOG.md