The pcrecompile2 function in pcrecompile.c in PCRE 8.38 mishandles the /((?:F?+(?:^(?(R)a+\"){99}-))(?J)(?'R'(?'R'<((?'RR'(?'R'){97)?J)?J)(?'R'(?'R'){99|(:(?|(?'R')(\k'R')|((?'R')))H'R'R)(H'R))))))/ pattern and related patterns with named subgroups, which allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "libpcre3", "binary_version": "1:8.31-2ubuntu2.1" }, { "binary_name": "libpcre3-dbg", "binary_version": "1:8.31-2ubuntu2.1" }, { "binary_name": "libpcre3-dbgsym", "binary_version": "1:8.31-2ubuntu2.1" }, { "binary_name": "libpcre3-dev", "binary_version": "1:8.31-2ubuntu2.1" }, { "binary_name": "libpcre3-dev-dbgsym", "binary_version": "1:8.31-2ubuntu2.1" }, { "binary_name": "libpcre3-udeb", "binary_version": "1:8.31-2ubuntu2.1" }, { "binary_name": "libpcre3-udeb-dbgsym", "binary_version": "1:8.31-2ubuntu2.1" }, { "binary_name": "libpcrecpp0", "binary_version": "1:8.31-2ubuntu2.1" }, { "binary_name": "libpcrecpp0-dbgsym", "binary_version": "1:8.31-2ubuntu2.1" }, { "binary_name": "pcregrep", "binary_version": "1:8.31-2ubuntu2.1" }, { "binary_name": "pcregrep-dbgsym", "binary_version": "1:8.31-2ubuntu2.1" } ], "ubuntu_priority": "medium" }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "libpcre16-3", "binary_version": "2:8.38-3.1" }, { "binary_name": "libpcre16-3-dbgsym", "binary_version": "2:8.38-3.1" }, { "binary_name": "libpcre3", "binary_version": "2:8.38-3.1" }, { "binary_name": "libpcre3-dbg", "binary_version": "2:8.38-3.1" }, { "binary_name": "libpcre3-dbgsym", "binary_version": "2:8.38-3.1" }, { "binary_name": "libpcre3-dev", "binary_version": "2:8.38-3.1" }, { "binary_name": "libpcre3-dev-dbgsym", "binary_version": "2:8.38-3.1" }, { "binary_name": "libpcre3-udeb", "binary_version": "2:8.38-3.1" }, { "binary_name": "libpcre3-udeb-dbgsym", "binary_version": "2:8.38-3.1" }, { "binary_name": "libpcre32-3", "binary_version": "2:8.38-3.1" }, { "binary_name": "libpcre32-3-dbgsym", "binary_version": "2:8.38-3.1" }, { "binary_name": "libpcrecpp0v5", "binary_version": "2:8.38-3.1" }, { "binary_name": "libpcrecpp0v5-dbgsym", "binary_version": "2:8.38-3.1" }, { "binary_name": "pcregrep", "binary_version": "2:8.38-3.1" }, { "binary_name": "pcregrep-dbgsym", "binary_version": "2:8.38-3.1" } ], "ubuntu_priority": "medium" }