FEDORA-2026-0451D4F86A: Security update for 3 packages

FEDORA-2026-0451D4F86A, released November 7, 2026, fixes 7 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

9.1

Base score, 0 to 10

Highest EPSS

0.0068

52nd percentile

Priority of the 7 CVEs

Patch now 0
                                Urgent 0
                                High 6
                                Routine 1

Fixed package versions

Product	Release	Fixed in
tailscale	Fedora 43	1.102.5-1.fc43
tailscale-debuginfo	Fedora 43	1.102.5-1.fc43
tailscale-debugsource	Fedora 43	1.102.5-1.fc43

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-39830	Invoking client can cause server deadlock on unexpected responses in golang.org/x/crypto/ssh	9.1	0.0068	None reported
High	CVE-2026-39832	Invoking agent constraints dropped when forwarding keys in golang.org/x/crypto/ssh/agent	9.1	0.0068	None reported
High	CVE-2026-39835	Invoking server panic during CheckHostKey/Authenticate in golang.org/x/crypto/ssh	8.7	0.0050	None reported
High	CVE-2026-46597	Invoking byte arithmetic causes underflow and panic in golang.org/x/crypto/ssh	7.5	0.0047	None reported
High	CVE-2026-39829	Invoking pathological RSA/DSA parameters may cause DoS in golang.org/x/crypto/ssh	8.7	0.0047	None reported
High	CVE-2026-39828	Invoking bypass of certificate restrictions in golang.org/x/crypto/ssh	8.8	0.0037	None reported
Routine	CVE-2025-47914	golang-go.crypto: SSH Agent servers do not validate the size of messages when processing new identity requests, which may cause the pro...	5.3	0.0055	None reported

Also fixes CVE-2026-39832

SUSE-SU-2026:22558-1
google-osconfig-agent on sles 16.0
OPENSUSE-SU-2026:21210-1
google-osconfig-agent on opensuse-leap 16.0
SUSE-SU-2026:2612-1
google-guest-agent on sles 15.6, sles 15.7
OPENSUSE-SU-2026:21436-1
rclone on opensuse-leap 16.0
SUSE-SU-2026:23625-1
govulncheck-vulndb on sles 16.0
OPENSUSE-SU-2026:21761-1
govulncheck-vulndb on opensuse-leap 16.0
OPENSUSE-SU-2026:21824-1
containerized-data-importer1.65 on opensuse-leap 16.0
SUSE-SU-2026:4209-1
containerized-data-importer on sles 15.7

Vendor advisory

https://bodhi.fedoraproject.org/updates/FEDORA-2026-0451d4f86a

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