Net::IDN::UTS46

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First seenSep 22, 2026
Last mentionedSep 22, 2026

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CVE-2026-87081: Net::IDN::UTS46 versions before 2.590 for Perl allow CPU exhaustion via quadratic punycode encoding of an overlong label before the length check in to_ascii

Perl Net::IDN::UTS46 before 2.590 can exhaust CPU on overlong labels.

oss-securitySep 22, 15:54 UTC · Sep 22, 2026Vulnerability 8 sourcesCVE-2026-870811 · 1 read

Related CVEs

by mentions

CVE-2026-870817.5
CPU Exhaustion via Quadratic Punycode Encoding in Perl Net::IDN::UTS46 < 2.590
published Sep 22, 2026Perl CPAN (Net::IDN::UTS46 distribution) Net::IDN::UTS46

Appears with

Net-IDN-Encodeproduct · 1

Entities are extracted by the model from each article. First seen Sep 22, 2026, last mentioned Sep 22, 2026. Watching keeps it in this browser only (no account); the watchlist page and dashboard alerts use it.