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LIN5-21539 : Security Advisory - gcc - CVE-2016-4490

Created: May 19, 2016    Updated: May 29, 2018
Resolved Date: Aug 11, 2016
Found In Version: 5.0.1.35
Fix Version: 5.0.1.37
Severity: Standard
Applicable for: Wind River Linux 5
Component/s: Toolchain

Description

A vulnerability was found in gcc. Due to the inconsistent use of long and int for string/array length in cp-demangle.c there is an integer overflow that leads to a write access violation. The target crashes on an access violation at an address matching the destination operand of the instruction.

External references:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70498

Upstream patch:

https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=235767

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4490

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