SUSE-CU-2026:8926-1: Security update of bci/golang

[sle-container-updates at lists.suse.com]

SUSE Container Update Advisory: bci/golang
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Container Advisory ID : SUSE-CU-2026:8926-1
Container Tags        : bci/golang:1.26 , bci/golang:1.26-sles15 , bci/golang:1.26.6 , bci/golang:1.26.6-1.75.30 , bci/golang:latest , bci/golang:stable
Container Release     : 75.30
Severity              : important
Type                  : security
References            : 1255111 1266609 1275024 1275025 1275026 1275028 1275029 1275032
                        1275033 1275034 CVE-2026-33818 CVE-2026-39821 CVE-2026-56853
                        CVE-2026-56858 CVE-2026-56859 CVE-2026-56860 CVE-2026-56862 CVE-2026-56864
                        CVE-2026-56865 
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The container bci/golang was updated. The following patches have been included in this update:

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Advisory ID: SUSE-SU-2026:3641-1
Released:    Tue Aug 18 11:06:06 2026
Summary:     Security update for go1.26
Type:        security
Severity:    important
References:  1255111,1266609,1275024,1275025,1275026,1275028,1275029,1275032,1275033,1275034,CVE-2026-33818,CVE-2026-39821,CVE-2026-56853,CVE-2026-56858,CVE-2026-56859,CVE-2026-56860,CVE-2026-56862,CVE-2026-56864,CVE-2026-56865
This update for go1.26 fixes the following issues:

Security issues fixed:

- CVE-2026-33818: encoding/asn1: enforce maximum recursion depth (bsc#1275034).
- CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation
  bypass and privilege escalation (bsc#1266609).
- CVE-2026-56853: net/http: apply ReadHeaderTimeout when doing unencrypted HTTP/2 check (bsc#1275028).
- CVE-2026-56858: html/template: fix Javascript regexp context tracking (bsc#1275033).
- CVE-2026-56859: encoding/xml: add recursion depth guard during decode (bsc#1275026).
- CVE-2026-56860: net/url: avoid quadratic complexity in resolvePath (bsc#1275029).
- CVE-2026-56862: crypto/tls: limit handshake messages we are willing to accept post-handshake (bsc#1275032).
- CVE-2026-56864: x/mod/sumdb: ignore unrelated, unauthenticated hashes in Lookup (bsc#1275025).
- CVE-2026-56865: x/mod/sumdb/tlog: fix transparency log tile verification bypass (bsc#1275024).

Non security issue fixed:

- go1.26 release tracking (bsc#1255111).

Changes for go1.26:

- update to go1.26.6
 * go#79876 cmd/compile: prove misscompilation in slicemask folding leaves garbage in the upper bits
 * go#80099 cmd/compile: internal compiler error invalid heap allocated var without Heapaddr
 * go#80131 cmd/link: peCreateExportFile generates invalid .def file when output name has trailing dot (c-shared on Windows)
 * go#80365 os: Root's MkdirAll can't create paths ending in forward slashes
 * go#80367 os: TestRootMultiReadFile fails on netbsd/arm64 after CL 797880
 * go#80369 os: TestRootConsistencyRemoveAll fails on Plan 9 after CL 797880
 * go#80394 runtime: arm64 found pointer to free object with safe code
 * go#80441 runtime: uninitialized register due to wrong ABI in mach_vm_region_trampoline leads to libc following garbage stack data as a pointer
 * go#80478 cmd/compile: riscv64 miscompiles struct copy, corrupting a []byte slice field
 * go#80499 runtime: js/wasm: 'found bad pointer in Go heap' -- link-layout-constant value recorded as a pointer in the write-barrier buffer
 * go#80579 cmd/compile: regalloc uses unreliable type data (like v.Type.IsSigned()) to choose the restore of spills
 * go#80606 crypto/tls: escape hatch for FIPS 140-3 mode Extended Master Secret enforcement
 * go#80609 net, x/net/dns/dnsmessage: panic when parsing invalid SVCB record
 * go#80615 cmd/compile: mips64le misscompile OffPtr by a const which doesn't fit 32bits resulting in panic
 * go#80617 cmd/compile: mips/mips64, multiply/divide results spilled from HI/LO corrupted w/ big stack frames
 * go#80619 cmd/compile: prove bug causes invalid indirect call
 * go#80715 runtime: fpTracebackPartialExpand SIGSEGV under high panic load


The following package changes have been done:

- go1.26-doc-1.26.6-150000.1.24.1 updated
- go1.26-1.26.6-150000.1.24.1 updated
- go1.26-race-1.26.6-150000.1.24.1 updated
- container:registry.suse.com-bci-bci-base-15.7-7046acf29602306de3a201afea54d7e9adfb8a01cab70f1066a1c463e03989c2-0 updated