Red Hat Security Advisory 2015-2111-07 - The grep utility searches through textual input for lines that contain a match to a specified pattern and then prints the matching lines. The GNU grep utilities include grep, egrep, and fgrep. A heap-based buffer overflow flaw was found in the way grep processed certain pattern and text combinations. An attacker able to trick a user into running grep on specially crafted input could use this flaw to crash grep or, potentially, read from uninitialized memory.
85af8b14f39b036a24bff1ae72c7129266031c69712bacc24a3eedde004aeec6Red Hat Security Advisory 2015-1447-01 - The grep utility searches through textual input for lines that contain a match to a specified pattern and then prints the matching lines. The GNU grep utilities include grep, egrep, and fgrep. 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 privileges of the user running grep. A heap-based buffer overflow flaw was found in the way grep processed certain pattern and text combinations. An attacker able to trick a user into running grep on specially crafted input could use this flaw to crash grep or, potentially, read from uninitialized memory.
01733dd8eba09db69603d8723a645cc4366a7ba2583d5ec88f681ff16540bf66Gentoo Linux Security Advisory 201502-14 - A vulnerability in grep could result in Denial of Service. Versions less than 2.21-r1 are affected.
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