CVE-2026-87768
Low risk· EPSS 9%Exploitation Probability (EPSS)
Low risk9th percentile - higher than 9% of all known CVEs
Summary
DateTime::Lite versions before 0.8.1 for Perl allow CPU exhaustion via a per-day loop when adding seconds. The _normalize_leap_seconds function crosses day boundaries one day at a time, so add(seconds => $n) on an object with a non-floating time zone takes about |$n|/86400 iterations, and nothing limits $n; both the XS implementation and the pure-Perl fallback have the loop.
Risk Assessment
An attacker who controls the number of seconds added can keep the process busy for as long as they choose, causing denial of service. This can exhaust server resources and affect application availability.
Recommendation
Update DateTime::Lite to version 0.8.1 or later, which limits or optimizes the processing of large second values.
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Original NVD description (English source)
DateTime::Lite versions before 0.8.1 for Perl allow CPU exhaustion via a per-day loop when adding seconds. _normalize_leap_seconds crosses day boundaries one day at a time, so add(seconds => $n) on an object with a non-floating time zone takes about |$n|/86400 iterations, and nothing limits $n. The XS implementation and the pure-Perl fallback both have the loop. An attacker who controls the number of seconds added can keep the process busy for as long as they choose.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS