Linux · Security advisory · June 1, 2026
RHSA-2026:22121: Security update for 8 packages
RHSA-2026:22121, released June 1, 2026, fixes 11 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
11
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0088
59th percentile
Priority of the 11 CVEs
Patch now 0
Urgent 0
High 11
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| go-toolset | RHEL 9 | 0:1.26.3-1.el9_8 |
| golang | RHEL 9 | 0:1.26.3-1.el9_8 |
| golang-bin | RHEL 9 | 0:1.26.3-1.el9_8 |
| golang-docs | RHEL 9 | 0:1.26.3-1.el9_8 |
| golang-misc | RHEL 9 | 0:1.26.3-1.el9_8 |
| golang-race | RHEL 9 | 0:1.26.3-1.el9_8 |
| golang-src | RHEL 9 | 0:1.26.3-1.el9_8 |
| golang-tests | RHEL 9 | 0:1.26.3-1.el9_8 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-33811 | Crash when handling long CNAME response in net | 8.8 | 0.0088 | None reported | |
| High | CVE-2026-33814 | Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net | 7.5 | 0.0084 | None reported | |
| High | CVE-2026-42499 | Quadratic string concatenation in consumePhrase in net/mail | 8.8 | 0.0080 | None reported | |
| High | CVE-2026-39820 | Quadratic string concatentation in consumeComment in net/mail | 8.8 | 0.0078 | None reported | |
| High | CVE-2026-39836 | Panic in Dial and LookupPort when handling NUL byte on Windows in net | 7.5 | 0.0063 | None reported | |
| High | CVE-2026-39825 | ReverseProxy forwards queries with more than urlmaxqueryparams parameters in net/http/httputil | 7.5 | 0.0039 | None reported | |
| High | CVE-2026-39826 | Escaper bypass leads to XSS in html/template | 7.5 | 0.0037 | None reported | |
| High | CVE-2026-39823 | Bypass of meta content URL escaping causes XSS in html/template | 7.5 | 0.0031 | None reported | |
| High | CVE-2026-42501 | Malicious module proxy can bypass checksum database in cmd/go | 7.5 | 0.0023 | None reported | |
| High | CVE-2026-39819 | Invoking "go bug" follows symlinks in predictable temporary filenames in cmd/go | 7.5 | 0.0018 | None reported | |
| High | CVE-2026-39817 | Invoking "go tool pack" does not sanitize output paths in cmd/go | 7.5 | 0.0017 | None reported |
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