On 3/30/22 11:16 AM, willi1337 bald wrote:

> Bash Version: 5.1
> Patch Level: 16
> Release Status: release
> 
> Description:
> 
> A deeply nested and incorrect regex expression can cause exhaustion of
> stack resources, which crashes the bash process.

Bash doesn't use it's own regexp engine; it uses whatever POSIX regexp
functions are provided by the C library (regcomp/regexec/regfree/regerror).

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    c...@case.edu    http://tiswww.cwru.edu/~chet/

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