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Medium ALAS2-2026-3996 1 CVE

Moderate: perl-HTTP-Date security update (Amazon Linux 2)

Published Oct 12, 2026 · Updated Oct 12, 2026

Summary

Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2026-14741: parse_date() -- and str2time(), which delegates to it -- used regexes with ambiguous adjacent greedy runs (year/clock/timezone digits and timezone/ASCII-timezone letters) before a trailing anchor. A valid-looking date prefix followed by a long interior run of digits, letters, or whitespace and a trailing junk character forced O(N^2) backtracking, so a ~100 KB string burned tens of seconds of CPU: a denial of service.

Fixed packages 1

ReleasePackageFixed in
Amazon Linux · 2 perl-HTTP-Date 0:6.02-8.amzn2.0.1

Vulnerabilities 1

  • High 7.5

    HTTP::Date versions before 6.08 for Perl allow CPU exhaustion via polynomial regex backtracking in parse_date

    HTTP::Date versions before 6.08 for Perl allow CPU exhaustion via polynomial regex backtracking in parse_date. parse_date() matches the date string against a chain of alternative regexes, and str2time() delegates to it. Several of these patterns place unbound…

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-14741.html