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CGA-g6pc-j2rx-jcfh

published 2 months ago

Summary

No summary available.

What to do

Update chainguard knative-serving-1.21-controller to version 1.21.3-r3.
Update wolfi knative-serving-1.21-controller to version 1.21.3-r3.

Affected software

Ecosystem	Vendor	Product	Affected versions
Chainguard	chainguard	knative-serving-1.21-controller	< 1.21.3-r3 Fix: upgrade to 1.21.3-r3
Wolfi	wolfi	knative-serving-1.21-controller	< 1.21.3-r3 Fix: upgrade to 1.21.3-r3

Original advisory text

CGA-g6pc-j2rx-jcfh

References

https://go.dev/cl/767220 URL
https://go.dev/issue/78760 URL
https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8 URL
https://pkg.go.dev URL
https://pkg.go.dev/vuln/GO-2026-5026 URL
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39821.json URL
https://access.redhat.com/errata/RHSA-2026:23262 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:23264 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:26546 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:26547 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:30650 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:30651 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:30853 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:30854 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:30855 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:33155 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:33160 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:33163 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:33173 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:33183 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:33524 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:33531 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:34342 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:34357 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:34359 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:34364 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:34789 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:35826 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:35827 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:35828 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:35829 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:35830 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:35831 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:35993 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:35994 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:36167 Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-39821 Vendor Advisory
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39821... Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-39821 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2480756 Third Party Advisory
https://access.redhat.com/errata/RHSA-2026:36105 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:36207 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:36648 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:36651 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:36796 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:36797 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:36808 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:36820 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:36883 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:37387 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:37435 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:37436 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:38995 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:39005 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:39573 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:39879 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:40118 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:40262 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:40945 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:41019 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:41030 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:41031 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:41036 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:41055 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:41066 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:41930 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:41928 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42043 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42047 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42048 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42049 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42050 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42051 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42078 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42079 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42080 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42082 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42132 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42142 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42146 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42150 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42151 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42240 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42644 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42796 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:42852 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:43038 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:43052 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:43692 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:44624 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:44622 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:46395 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:47149 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:47735 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:47737 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:47952 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:50300 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:50843 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:51033 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:51112 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:51187 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:51194 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:51341 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:52826 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:53374 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:53412 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:53413 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:53415 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:53530 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:54191 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:54283 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:54285 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:54287 Vendor Advisory
https://groups.google.com/g/golang-announce/c/94pEornpRlI URL
https://access.redhat.com/errata/RHSA-2026:54274 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:54284 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:54286 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:54395 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:54401 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:54435 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:54441 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:54531 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:54757 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:54580 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:56143 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:56223 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:56340 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:56431 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:57194 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:57541 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:49702 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:49712 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:57649 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:57845 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:59546 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:59549 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:59562 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:60315 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:60354 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:60387 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:60520 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:61245 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:61253 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:63134 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:65126 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:65153 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:65359 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:65534 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:65886 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:62549 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:66016 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:66022 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:66432 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:67149 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:67159 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:67160 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:66350 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:67287 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:67319 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:67517 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:65851 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:68504 Vendor Advisory

Fix within

Internet-facing 14 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker full control (estimated)

Severity

9.6 Critical

Timeline

Published14 Aug 2026

Updated5 Nov 2026

First seen5 Nov 2026

Sources

CGA-g6pc-j2rx-jcfh · OSV

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