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openSUSE-SU-2026:20977-1

Опубликовано: 17 июн. 2026
Источник: suse-cvrf

Описание

Security update for go1.25

This update for go1.25 fixes the following issues

Update to go1.25.11 (bsc#1244485):

  • 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#79229 go#79217 boo#1267442 security: fix CVE-2026-42504 mime: quadratic complexity in WordDecoder.DecodeHeader
  • go#79425 go#79346 boo#1267444 security: fix CVE-2026-42507 net/textproto: arbitrary input are included in errors without any escaping
  • go#79700 go#79694 boo#1267450 security: fix CVE-2026-27145 crypto/x509: split candidate hostname only once
  • go#79190 cmd/compile: Bug in rewrite rules for AMD64 causes SHL instruction overflow and miscompilation
  • go#79698 runtime/race: change in 93a4f03 leads to a failed build on Amazon Linux 2 and arm64

Список пакетов

openSUSE Leap 16.0
go1.25-1.25.11-160000.1.1
go1.25-doc-1.25.11-160000.1.1
go1.25-libstd-1.25.11-160000.1.1
go1.25-race-1.25.11-160000.1.1

Ссылки

Описание

(*x509.Certificate).VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name (SAN) entries. This caused strings.Split(host, ".") to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically based on the number of SAN entries multiplied by the hostname's label count. Because x509.Verify validates hostnames before building the certificate chain, this overhead occurred even for untrusted certificates.

Затронутые продукты
openSUSE Leap 16.0:go1.25-1.25.11-160000.1.1
openSUSE Leap 16.0:go1.25-doc-1.25.11-160000.1.1
openSUSE Leap 16.0:go1.25-libstd-1.25.11-160000.1.1
openSUSE Leap 16.0:go1.25-race-1.25.11-160000.1.1
Ссылки

Описание

Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.

Затронутые продукты
openSUSE Leap 16.0:go1.25-1.25.11-160000.1.1
openSUSE Leap 16.0:go1.25-doc-1.25.11-160000.1.1
openSUSE Leap 16.0:go1.25-libstd-1.25.11-160000.1.1
openSUSE Leap 16.0:go1.25-race-1.25.11-160000.1.1
Ссылки

Описание

When returning errors, functions in the net/textproto package would include its input as part of the error. This might allow an attacker to inject misleading content to errors that are printed or logged.

Затронутые продукты
openSUSE Leap 16.0:go1.25-1.25.11-160000.1.1
openSUSE Leap 16.0:go1.25-doc-1.25.11-160000.1.1
openSUSE Leap 16.0:go1.25-libstd-1.25.11-160000.1.1
openSUSE Leap 16.0:go1.25-race-1.25.11-160000.1.1
Ссылки