| Package | Affected versions | Patched versions |
|---|---|---|
| perl compatible regular expression library | ≤ 8.37 | |
| php | ≥ 5.5.0, < 5.5.32≥ 5.6.0, < 5.6.18≥ 7.0.0, < 7.0.3 | 5.5.325.6.187.0.3 |
PCRE before 8.38 mishandles the interaction of lookbehind assertions and mutually recursive subpatterns, which allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
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