Rocky Linux 9.6 [TuxCare] Security Update: grafana-pcp (ALMALINUX9.6:CLSA-2026:1784025046)

The Rocky Linux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784025046 advisory. - The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII- only label. For example,...

Rocky Linux 9 [CIQ] Security Update: grafana-pcp / grafana-pcp-debuginfo / grafana-pcp-debugsource (crlsa-2026_35829)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202635829 advisory. golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing CVE-2026-39821 Tenable has extracted the precedi...

Rocky Linux 9 [CIQ] Security Update: git-lfs / git-lfs-debuginfo / git-lfs-debugsource (crlsa-2026_30854)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202630854 advisory. golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing CVE-2026-39821 Tenable has extracted the precedi...

Rocky Linux 10.2 [CIQ] Security Update: grafana-pcp / grafana-pcp-debuginfo / grafana-pcp-debugsource (crlsa-2026_35826)

The Rocky Linux 10.2 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202635826 advisory. golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing CVE-2026-39821 Tenable has extracted the...

AlmaLinux 9.6 [TuxCare] Security Update: grafana-pcp (ALMALINUX9.6:CLSA-2026:1784025046)

The AlmaLinux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784025046 advisory. - The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII- only label. For example,...

Rocky Linux 8 [CIQ] Security Update: grafana-pcp / grafana-pcp-debuginfo / grafana-pcp-debugsource (crlsa-2026_35831)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202635831 advisory. golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing CVE-2026-39821 Tenable has extracted the precedi...

Rocky Linux 8 [CIQ] Security Update: git-lfs / git-lfs-debuginfo / git-lfs-debugsource (crlsa-2026_30853)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202630853 advisory. golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing CVE-2026-39821 Tenable has extracted the precedi...

Rocky Linux 10.2 [CIQ] Security Update: git-lfs / git-lfs-debuginfo / git-lfs-debugsource (crlsa-2026_30855)

The Rocky Linux 10.2 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202630855 advisory. golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing CVE-2026-39821 Tenable has extracted the...

CLEANSTART-2026-XF11487 ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label

CVE-2026-39821 affects multiple packages. The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. See references for individual vulnerability details...

Internationalized Domain Name Validation

Nodemailer is vulnerable to an internationalized domain name validation/bypass. The vulnerability is due to inconsistent Punycode A-label generation, which allows an attacker to craft recipient addresses containing invisible characters or compatibility mappings to bypass domain allow-list checks...

CLEANSTART-2026-PL58234 ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label

CVE-2026-39821 affects multiple packages. The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. See references for individual vulnerability details...

RHEL 8 : git-lfs (RHSA-2026:72737)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:72737 advisory. Git Large File Storage LFS replaces large files such as audio samples, videos, datasets, and graphics with text pointers inside Git, while...

golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing

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...

golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing

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...

CVE-2026-74765

A flaw was found in Net::IDN::Punycode. An integer overflow vulnerability in the encodepunycode function, specifically within the XS backend, allows a remote attacker to cause an out-of-bounds read. By supplying a specially crafted string, an attacker can trigger the overflow, leading to either t...

golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing

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...

RHEL 9 : git-lfs (RHSA-2026:72276)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:72276 advisory. Git Large File Storage LFS replaces large files such as audio samples, videos, datasets, and graphics with text pointers inside Git, while...

CLEANSTART-2026-CD74178 ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label

CVE-2026-39821 affects multiple packages. The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. See references for individual vulnerability details...

CLEANSTART-2026-PM29694 ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label

CVE-2026-39821 affects multiple packages. The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. See references for individual vulnerability details...

CLEANSTART-2026-BO10826 ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label

Security vulnerability affects the fluent-operator package. The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label...