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CVE-2026-39821

🗓️ 22 May 2026 15:01:21Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 12 Views

CVE-2026-39821: IDNA ToASCII/ToUnicode accept punycode decoding to ASCII labels, enabling escalation.

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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Debian11allgolang-golang-x-net1:0.0+git20210119.5f4716e+dfsg-4golang-golang-x-net_1:0.0+git20210119.5f4716e+dfsg-4_all.deb
Debian12allgolang-golang-x-net1:0.7.0+dfsg-1golang-golang-x-net_1:0.7.0+dfsg-1_all.deb
Debian13allgolang-golang-x-net1:0.27.0-2golang-golang-x-net_1:0.27.0-2_all.deb
Debian14allgolang-golang-x-net1:0.55.0-1golang-golang-x-net_1:0.55.0-1_all.deb
Debian999allgolang-golang-x-net1:0.55.0-1golang-golang-x-net_1:0.55.0-1_all.deb

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22 May 2026 15:01Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.19.6
EPSS0.00655
SSVC
12