The match function in pcre_exec.c in PCRE before 8.37 mishandles the /(?:((abcd))|(((?:(?:(?:(?:abc|(?:abcdef))))b)abcdefghi)abc)|((ACCEPT)))/ pattern and related patterns involving (ACCEPT), which allows remote attackers to obtain sensitive information from process memory or cause a denial of service (partially initialized memory and application crash) via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror, aka ZDI-CAN-2547.
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{ "availability": "No subscription required", "binaries": [ { "binary_name": "libpcre16-3", "binary_version": "2:8.38-3" }, { "binary_name": "libpcre16-3-dbgsym", "binary_version": "2:8.38-3" }, { "binary_name": "libpcre3", "binary_version": "2:8.38-3" }, { "binary_name": "libpcre3-dbg", "binary_version": "2:8.38-3" }, { "binary_name": "libpcre3-dbgsym", "binary_version": "2:8.38-3" }, { "binary_name": "libpcre3-dev", "binary_version": "2:8.38-3" }, { "binary_name": "libpcre3-dev-dbgsym", "binary_version": "2:8.38-3" }, { "binary_name": "libpcre3-udeb", "binary_version": "2:8.38-3" }, { "binary_name": "libpcre3-udeb-dbgsym", "binary_version": "2:8.38-3" }, { "binary_name": "libpcre32-3", "binary_version": "2:8.38-3" }, { "binary_name": "libpcre32-3-dbgsym", "binary_version": "2:8.38-3" }, { "binary_name": "libpcrecpp0v5", "binary_version": "2:8.38-3" }, { "binary_name": "libpcrecpp0v5-dbgsym", "binary_version": "2:8.38-3" }, { "binary_name": "pcregrep", "binary_version": "2:8.38-3" }, { "binary_name": "pcregrep-dbgsym", "binary_version": "2:8.38-3" } ], "ubuntu_priority": "low" }