PCRE 8.35 Nested Alternatives Optimization Vulnerability

CVE-2014-9769 · HIGH Severity

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

pcre_jit_compile.c in PCRE 8.35 does not properly use table jumps to optimize nested alternatives, which allows remote attackers to cause a denial of service (stack memory corruption) or possibly have unspecified other impact via a crafted string, as demonstrated by packets encountered by Suricata during use of a regular expression in an Emerging Threats Open ruleset.

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