Linux · Debian · Security advisory · May 4, 2026

DEBIAN-CVE-2026-42154: prometheus security update

DEBIAN-CVE-2026-42154, released May 4, 2026, fixes 1 CVE in prometheus (version 3.5.3+ds1-1). None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
8.2
Base score, 0 to 10
Highest EPSS
0.0081
57th percentile

Fixed package versions

ProductReleaseFixed in
prometheusDebian 143.5.3+ds1-1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2026-42154 Prometheus: remote read endpoint allows denial of service via crafted snappy payload8.2 0.0081 None reported
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