| Package | Affected versions | Patched versions |
|---|---|---|
| pcre | = 7.7 | |
| php | ≥ 5.2.0, ≤ 5.2.7 |
Heap-based buffer overflow in pcre_compile.c in the Perl-Compatible Regular Expression (PCRE) library 7.7 allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a regular expression that begins with an option and contains multiple branches.
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