openSUSE 16 Security Update : distribution (openSUSE-SU-2026:21441-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21441-1 advisory. This update for distribution fixes the following issues - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded...

openSUSE 16 Security Update : ctop (openSUSE-SU-2026:21379-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21379-1 advisory. Changes in ctop embedded dependencies: - CVE-2022-21698: clientgolang: Denial of service using InstrumentHandlerCounter bsc1248710 -...

CVE-2026-46644

Symfony Polyfill backports PHP features and provides compatibility layers for extensions and functions. From 1.17.1 until 1.38.1, symfony/polyfill-intl-idn accepts xn-- labels whose Punycode payload is empty or decodes to ASCII-only code points because Idn::process does not enforce the UTS 46...

CLEANSTART-2026-RF77222 ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label

Multiple security vulnerabilities affect the wave package. The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. See references for individual vulnerability details...

CVE-2026-39821

A flaw was found in golang.org/x/net/idna. ToASCII and ToUnicode incorrectly accept Punycode-encoded labels that decode to an ASCII-only hostname for example, xn--example-.com returns example.com instead of an error. Applications that validate the ASCII form then convert to Unicode may grant acce...

Azure Linux 3.0 Security Update: CBL-Mariner Releases (CVE-2026-39821)

The version of CBL-Mariner Releases installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2026-39821 advisory. - The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to ...

CVE-2026-39821

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...

CVE-2026-39821 Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna

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...

idna: idna accepts Punycode labels that do not produce any non-ASCII when decoded

A flaw was found in idna crate. This vulnerability allows hostname spoofing and potential privilege escalation via specially crafted Punycode labels that render as ASCII or empty labels, leading to incorrect equality comparisons during hostname validation...