Linux · Security advisory · July 2, 2026
RHSA-2026:34359: opentelemetry-collector security update
RHSA-2026:34359, released July 2, 2026, fixes 6 CVEs in opentelemetry-collector (version 0:0.152.1-1.el9_8). None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
6
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0183
79th percentile
Priority of the 6 CVEs
Patch now 0
Urgent 1
High 5
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| opentelemetry-collector | RHEL 9 | 0:0.152.1-1.el9_8 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2026-39821 | Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna | 10.0 | 0.0183 | None reported | |
| High | CVE-2026-33811 | Crash when handling long CNAME response in net | 8.8 | 0.0088 | None reported | |
| High | CVE-2026-42154 | Prometheus: remote read endpoint allows denial of service via crafted snappy payload | 8.2 | 0.0081 | None reported | |
| High | CVE-2026-27145 | Inefficient candidate hostname parsing in crypto/x509 | 8.2 | 0.0059 | None reported | |
| High | CVE-2026-42151 | Prometheus Azure AD remote write OAuth client secret exposed via config API | 8.2 | 0.0035 | None reported | |
| High | CVE-2026-25681 | Invoking incorrect handling of character references in DOCTYPE nodes in golang.org/x/net/html | 8.7 | 0.0022 | None reported |
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