A weakness has been reported in Perl, which can be exploited by malicious people to bypass certain security features.
The weakness is caused due to the "uc()", "lc()", "lcfirst()", and "ucfist()" functions incorrectly laundering tainted data, which can result in the unintended use of potentially malicious data after using these functions.
The weakness is reported in version 5.12.3. Other versions may also be affected.
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Subject: Perl "uc()", "lc()", "lcfirst()", and "ucfirst()"
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