| Package | Affected versions | Patched versions |
|---|---|---|
| glibc | < 2.28 | 2.28 |
In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.
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