Scientific Linux Security Update : grep on SL6.x i386/x86_64 (20150722)

An integer overflow flaw, leading to a heap-based buffer overflow, was found in the way grep parsed large lines of data. An attacker able to trick a user into running grep on a specially crafted data file could use this flaw to crash grep or, potentially, execute arbitrary code with the privilege...

CVE-2005-4872: Improper Restriction of Operations within the Bounds of a Memory Buffer

Perl-Compatible Regular Expression PCRE library before 6.2 does not properly count the number of named capturing subpatterns, which allows context-dependent attackers to cause a denial of service crash via a regular expression with a large number of named subpatterns, which triggers a buffer...

CVE-2007-1660: Improper Restriction of Operations within the Bounds of a Memory Buffer

Perl-Compatible Regular Expression PCRE library before 7.0 does not properly calculate sizes for unspecified "multiple forms of character class", which triggers a buffer overflow that allows context-dependent attackers to cause a denial of service crash and possibly execute arbitrary code...

CVE-2007-4767: Undefined Security Weakness

Perl-Compatible Regular Expression PCRE library before 7.3 does not properly compute the length of 1 a \p sequence, 2 a \P sequence, or 3 a \Px sequence, which allows context-dependent attackers to cause a denial of service infinite loop or crash or execute arbitrary code...