Ubuntu Security Notice 4541-1 - Tim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars discovered that Gnuplot did not properly validate string sizes in the df_generate_ascii_array_entry function. An attacker could possibly use this issue to cause a heap buffer overflow, resulting in a denial of service attack or arbitrary code execution. Tim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars discovered that Gnuplot did not properly validate string sizes in the PS_options function when the Gnuplot postscript terminal is used as a backend. An attacker could possibly use this issue to cause a buffer overflow, resulting in a denial of service attack or arbitrary code execution. Various other issues were also addressed.
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