Uncontrolled Recursion Vulnerability in GNU C Library (glibc) through 2.29

CVE-2019-9192 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(|)(\\1\\1)*' in grep, a different issue than CVE-2018-20796. NOTE: the software maintainer disputes that this is a vulnerability because the behavior occurs only with a crafted pattern

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