SUSE-SU-2026:4866-1: important: Security update for go1.26-openssl
SLE-SECURITY-UPDATES
null at suse.de
Thu Oct 22 20:34:35 UTC 2026
# Security update for go1.26-openssl
Announcement ID: SUSE-SU-2026:4866-1
Release Date: 2026-10-22T14:38:05Z
Rating: important
References:
* bsc#1255111
* bsc#1284766
* bsc#1284767
* bsc#1284768
* bsc#1284769
* bsc#1284770
* bsc#1284771
* bsc#1284772
* bsc#1284773
* bsc#1284774
* bsc#1284775
* bsc#1284776
* bsc#1284777
* bsc#1284778
* bsc#1284779
* bsc#1284780
* bsc#1286261
* bsc#1286317
* jsc#SLE-18320
Cross-References:
* CVE-2026-111943
* CVE-2026-56857
* CVE-2026-56866
* CVE-2026-78659
* CVE-2026-78660
* CVE-2026-78663
* CVE-2026-78667
* CVE-2026-78669
* CVE-2026-94439
* CVE-2026-94440
* CVE-2026-94444
* CVE-2026-94447
* CVE-2026-94448
* CVE-2026-97030
* CVE-2026-97031
* CVE-2026-97032
CVSS scores:
* CVE-2026-111943 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-56857 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
* CVE-2026-56857 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-56866 ( SUSE ): 8.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
* CVE-2026-56866 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
* CVE-2026-78659 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-78659 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-78660 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-78660 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
* CVE-2026-78663 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2026-78663 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
* CVE-2026-78667 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-78667 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-78669 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-78669 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-94439 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
* CVE-2026-94439 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
* CVE-2026-94440 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-94440 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-94444 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-94444 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-94447 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-94447 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-94448 ( SUSE ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
* CVE-2026-94448 ( NVD ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
* CVE-2026-97030 ( SUSE ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
* CVE-2026-97030 ( NVD ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
* CVE-2026-97031 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-97031 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-97032 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-97032 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
* Development Tools Module 15-SP7
* openSUSE Leap 15.6
* SUSE Linux Enterprise Desktop 15 SP7
* SUSE Linux Enterprise Real Time 15 SP7
* SUSE Linux Enterprise Server 15 SP6
* SUSE Linux Enterprise Server 15 SP6 LTSS
* SUSE Linux Enterprise Server 15 SP7
* SUSE Linux Enterprise Server for SAP Applications 15 SP6
* SUSE Linux Enterprise Server for SAP Applications 15 SP7
An update that solves 16 vulnerabilities, contains one feature and has two
security fixes can now be installed.
## Description:
This update for go1.26-openssl fixes the following issues:
Update to version 1.26.10 (bsc#1255111, jsc#SLE-18320):
* CVE-2026-56857: os: Root.Mkdir(All) can follow junctions out of the root on
Windows (bsc#1284766).
* CVE-2026-56866: net/http: HTTP/1 client connection desynchronization after
CONNECT rejection (bsc#1284767).
* CVE-2026-78659: net/http: HTTP/2 server memory exhaustion due to Trailer
headers (bsc#1284768).
* CVE-2026-78660: net/http: HTTP/2 transport accepts malformed framing-related
headers (bsc#1284769).
* CVE-2026-78663: net/http: double flow control refund on HTTP/2 server
streams (bsc#1284770).
* CVE-2026-78667: net/http: lack of limit on size of parsed Range headers
(bsc#1284771).
* CVE-2026-78669: net/http: excessive CPU consumption from repeated initial
window changes (bsc#1284772).
* CVE-2026-94439: net/http: HTTP/1 server connection desynchronization after
2xx CONNECT response (bsc#1284773).
* CVE-2026-94440: net/textproto, mime/multipart: memory limit bypass when
parsing MIME headers (bsc#1284774).
* CVE-2026-94444: cmd/go: checksum bypass for golang.org/fips140
(bsc#1284775).
* CVE-2026-94447: cmd/go: checksum database bypass for golang.org/toolchain
(bsc#1284776).
* CVE-2026-94448: html/template: reset context tracking on consecutive
template expressions (bsc#1284777).
* CVE-2026-97030: html/template: recognize yield as regexp preceder keyword
(bsc#1284778).
* CVE-2026-97031: crypto/tls: reject malformed ECH outer extension references
(bsc#1284779).
* CVE-2026-97032: net/http: HTTP/2 server crash due to HPACK encoder race
(bsc#1284780).
* CVE-2026-111943: crypto/x509: mitigation for security concerns with a
specific Certificate Authority (bsc#1286317, bsc#1286261).
Changes:
* go#81144 runtime: mutex profiling can deadlock Windows asynchronous
preemption during GC
* go#81225 runtime: netpoll: eventfd ready for something unexpected
* go#81251 lib/fips140: fix ML-KEM CAST and re-seal v1.26.0
* go#81295 cmd/compile: internal compiler error: MoveLoop too small
* go#81318 os,internal/poll: NewFile on an inherited overlapped stdout pipe
hangs a sibling's WriteFile (Windows)
* go#81401 os: go 1.25.x regression on RemoveAll for oldest Windows 10 build
10240
* go#81436 runtime: intermittent SIGBUS (unaligned access) in netpoll on
mips64le (Go 1.27)
* go#81668 cmd/compile: go1.27 miscompiles &slice[i].Field on an append-built
slice; returned pointer aliases reused memory
* go#81689 cmd/compile: slice allocation reuses stack backing store
incorrectly
* go#81860 cmd/go: vet reports no diagnostics for a package that an earlier
run vetted as a dependency
* go#81889 cmd/link: plugin.Open fails on macOS 27: LC_DYLD_CHAINED_FIXUPS
seg_count not updated after combining DWARF
* go#81152 cmd/compile/internal/test: TestMergeLocalsIntegration failures
* go#81113 debug/elf: applyRelocationsPPC was broken by CL 705075
* go#80889 os: TestRootMultiMkdirAllShallow failures on openbsd
* go#80851 cmd/go: pseudo #cgo directive FFLAGS value mixed up with CXXFLAGS
in Go 1.26
* go#80827 runtime: async preemption corrupts AVX (YMM) state on netbsd/amd64
## Patch Instructions:
To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
* SUSE Linux Enterprise Server for SAP Applications 15 SP6
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-4866
* openSUSE Leap 15.6
zypper in -t patch SUSE-2026-4866
* Development Tools Module 15-SP7
zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP7-2026-4866
* SUSE Linux Enterprise Server 15 SP6 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-4866
## Package List:
* SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
* go1.26-openssl-doc-1.26.10-150600.13.18.1
* go1.26-openssl-1.26.10-150600.13.18.1
* go1.26-openssl-race-1.26.10-150600.13.18.1
* openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)
* go1.26-openssl-doc-1.26.10-150600.13.18.1
* go1.26-openssl-1.26.10-150600.13.18.1
* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
* go1.26-openssl-race-1.26.10-150600.13.18.1
* Development Tools Module 15-SP7 (aarch64 ppc64le s390x x86_64)
* go1.26-openssl-doc-1.26.10-150600.13.18.1
* go1.26-openssl-1.26.10-150600.13.18.1
* go1.26-openssl-race-1.26.10-150600.13.18.1
* SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
* go1.26-openssl-doc-1.26.10-150600.13.18.1
* go1.26-openssl-1.26.10-150600.13.18.1
* go1.26-openssl-race-1.26.10-150600.13.18.1
## References:
* https://www.suse.com/security/cve/CVE-2026-111943.html
* https://www.suse.com/security/cve/CVE-2026-56857.html
* https://www.suse.com/security/cve/CVE-2026-56866.html
* https://www.suse.com/security/cve/CVE-2026-78659.html
* https://www.suse.com/security/cve/CVE-2026-78660.html
* https://www.suse.com/security/cve/CVE-2026-78663.html
* https://www.suse.com/security/cve/CVE-2026-78667.html
* https://www.suse.com/security/cve/CVE-2026-78669.html
* https://www.suse.com/security/cve/CVE-2026-94439.html
* https://www.suse.com/security/cve/CVE-2026-94440.html
* https://www.suse.com/security/cve/CVE-2026-94444.html
* https://www.suse.com/security/cve/CVE-2026-94447.html
* https://www.suse.com/security/cve/CVE-2026-94448.html
* https://www.suse.com/security/cve/CVE-2026-97030.html
* https://www.suse.com/security/cve/CVE-2026-97031.html
* https://www.suse.com/security/cve/CVE-2026-97032.html
* https://bugzilla.suse.com/show_bug.cgi?id=1255111
* https://bugzilla.suse.com/show_bug.cgi?id=1284766
* https://bugzilla.suse.com/show_bug.cgi?id=1284767
* https://bugzilla.suse.com/show_bug.cgi?id=1284768
* https://bugzilla.suse.com/show_bug.cgi?id=1284769
* https://bugzilla.suse.com/show_bug.cgi?id=1284770
* https://bugzilla.suse.com/show_bug.cgi?id=1284771
* https://bugzilla.suse.com/show_bug.cgi?id=1284772
* https://bugzilla.suse.com/show_bug.cgi?id=1284773
* https://bugzilla.suse.com/show_bug.cgi?id=1284774
* https://bugzilla.suse.com/show_bug.cgi?id=1284775
* https://bugzilla.suse.com/show_bug.cgi?id=1284776
* https://bugzilla.suse.com/show_bug.cgi?id=1284777
* https://bugzilla.suse.com/show_bug.cgi?id=1284778
* https://bugzilla.suse.com/show_bug.cgi?id=1284779
* https://bugzilla.suse.com/show_bug.cgi?id=1284780
* https://bugzilla.suse.com/show_bug.cgi?id=1286261
* https://bugzilla.suse.com/show_bug.cgi?id=1286317
* https://jira.suse.com/browse/SLE-18320
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