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
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | perl-HTTP-Date | 0:6.02-8.amzn2.0.1 |
Vulnerabilities 1
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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
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-14741.html