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openSUSE-SU-2026:21157-1

Опубликовано: 25 июн. 2026
Источник: suse-cvrf

Описание

Security update for golang-github-prometheus-alertmanager

This update for golang-github-prometheus-alertmanager fixes the following issues:

Changes in golang-github-prometheus-alertmanager:

  • CVE-2026-39821: Fix validation bypass and privilege escalation by updating golang.org/x/net to version 0.55.0 (bsc#1266615)

Список пакетов

openSUSE Leap 16.0
golang-github-prometheus-alertmanager-0.28.1-bp160.2.1

Ссылки

Описание

The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. For example, ToUnicode("xn--example-.com") incorrectly returns the name "example.com" rather than an error. This behavior can lead to privilege escalation in programs using the idna package. For example, a program which performs privilege checks on the ASCII hostname may reject "example.com" but permit "xn--example-.com". If that program subsequently converts the ASCII hostname to Unicode, it will inadvertently permits access to the Unicode name "example.com".

Затронутые продукты
openSUSE Leap 16.0:golang-github-prometheus-alertmanager-0.28.1-bp160.2.1
Ссылки