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SUSE Linux Micro Curl Important Security Issues Resolved 2026-22553-1

suse
Calendar Grey July 13, 2026
Dist Suse Esm H88
A security update for curl addresses 10 vulnerabilities, enhancing protection for SUSE users and supporting prompt installations.
An update that solves 10 vulnerabilities can now be installed.

Summary

## This update for curl fixes the following issues * CVE-2026-8286: wrong STARTTLS connection reuse (bsc#1268402). * CVE-2026-8458: wrong reuse for different services (bsc#1268407). * CVE-2026-8924: traling dot domain super cookie (bsc#1268409). * CVE-2026-8927: env-set cross-proxy Digest auth state leak (bsc#1268413). * CVE-2026-9079: stale proxy password leak (bsc#1268415). * CVE-2026-9080: UAF after pause in socket callback (bsc#1268416). * CVE-2026-9545: exposing HTTP/3 early data (bsc#1268417). * CVE-2026-9547: SSH improper host validation (bsc#1268420). * CVE-2026-10536: HTTP/2 stream-dependency tree UAF (bsc#1268422). * CVE-2026-12064: proto-default skips SSH verification (bsc#1268427). ## Patch Instructions:

Topics%20covered

Topics Covered

security advisory SuSE important curl authentication leak trailing dot cookie

References

* bsc#1268402

* bsc#1268407

* bsc#1268409

* bsc#1268413

* bsc#1268415

* bsc#1268416

* bsc#1268417

* bsc#1268420

* bsc#1268422

* bsc#1268427

Cross-

* CVE-2026-10536

* CVE-2026-12064

* CVE-2026-8286

* CVE-2026-8458

* CVE-2026-8924

* CVE-2026-8927

* CVE-2026-9079

* CVE-2026-9080

* CVE-2026-9545

* CVE-2026-9547

CVSS scores:

* CVE-2026-10536 ( SUSE ): 6.8

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2026-10536 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-10536 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-12064 ( SUSE ): 9.1

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

* CVE-2026-12064 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22553-1
Release Date: 2026-07-08T13:45:27Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important curl authentication leak trailing dot cookie

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