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fix: cap the length of a string handed to the parsers CVE-2026-60075 #55

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fix: cap the length of a string handed to the parsers CVE-2026-60075 #55

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17 changes: 17 additions & 0 deletions lib/Date/Manip/Date.pm
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,13 @@ sub input {
# DATE PARSING
########################################################################

# The longest string the parsers will look at. The time matching
# regexp is applied unanchored, so the cost of failing to match grows
# with the square of the length of an interior whitespace run. Real
# date strings are well under 100 characters.

our $MAXLENGTH = 256;

sub parse {
my($self,$instring,@opts) = @_;
$self->_init();
Expand All @@ -104,6 +111,11 @@ sub parse {
return 1;
}

if (length($instring) > $MAXLENGTH) {
$$self{'err'} = '[parse] Date string too long';
return 1;
}

my %opts = map { $_,1 } @opts;

my $dmt = $$self{'tz'};
Expand Down Expand Up @@ -382,6 +394,11 @@ sub parse_time {
return 1;
}

if (length($string) > $MAXLENGTH) {
$$self{'err'} = '[parse_time] Time string too long';
return 1;
}

my($y,$m,$d,$h,$mn,$s);

if ($$self{'err'}) {
Expand Down