openSUSE-SU-2026:20976-1

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Import Source
https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:20976-1.json
JSON Data
https://api.osv.dev/v1/vulns/openSUSE-SU-2026:20976-1
Upstream
CVE (3)
  • CVE-2026-27145
  • CVE-2026-42504
  • CVE-2026-42507
Related
CVE (3)
  • CVE-2026-27145
  • CVE-2026-42504
  • CVE-2026-42507
Published
2026-06-17T08:37:36Z
Modified
2026-06-24T18:24:21Z
Summary
Security update for go1.26
Details

This update for go1.26 fixes the following issues

Update to go1.26.4 (bsc#1255111):

  • CVE-2026-27145: crypto/x509: split candidate hostname only once (bsc#1267450).
  • CVE-2026-42504: mime: quadratic complexity in WordDecoder.DecodeHeader (bsc#1267442).
  • CVE-2026-42507: net/textproto: arbitrary input are included in errors without any escaping (bsc#1267444).

Changes:

  • go#79230 go#79217 boo#1267442 security: fix CVE-2026-42504 mime: quadratic complexity in WordDecoder.DecodeHeader
  • go#79426 go#79346 boo#1267444 security: fix CVE-2026-42507 net/textproto: arbitrary input are included in errors without any escaping
  • go#79701 go#79694 boo#1267450 security: fix CVE-2026-27145 crypto/x509: split candidate hostname only once
  • go#79191 cmd/compile: Bug in rewrite rules for AMD64 causes SHL instruction overflow and miscompilation
  • go#79226 crypto/internal/fips140/drbg: backport CL 774221 to Go 1.26
  • go#79349 cmd/fix: x/tools/go/analysis/passes/modernize: slicescontains hoists needle expression, changing side effect count
  • go#79686 runtime/race: change in 93a4f03 leads to a failed build on Amazon Linux 2 and arm64
References

Affected packages

openSUSE:Leap 16.0 / go1.26

Package

Name
go1.26
Purl
pkg:rpm/opensuse/go1.26&distro=openSUSE%20Leap%2016.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.26.4-160000.1.1

Ecosystem specific 

{
    "binaries":  [
        {
            "go1.26":  "1.26.4-160000.1.1",
            "go1.26-doc":  "1.26.4-160000.1.1",
            "go1.26-libstd":  "1.26.4-160000.1.1",
            "go1.26-race":  "1.26.4-160000.1.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:20976-1.json"