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FreeType Memory Corruption and Buffer Overflow Vulnerabilities (Windows)

Information

Severity

Severity

Medium

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

6.8

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

13 years ago

Modified

Modified

5 years ago

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Summary

This host is installed with FreeType and is prone to multiple vulnerabilities.

Insight

Insight

Multiple flaws are due to, - An error in the 'demo' programs. - A heap-based buffer overflow in the 'Ins_IUP function()' in 'truetype/ttinterp.c' and 'Mac_Read_POST_Resource()' function in ' base/ftobjs.c'. - An integer overflow in the 'gray_render_span()' function in 'smooth/ftgrays.c' and integer underflow in 'glyph' handling. - A Buffer overflow in the 'Mac_Read_POST_Resource()' function in 'base/ftobjs.c'. - An error in the 'psh_glyph_find_strong_pointr()' function in 'pshinter/pshalgo.c'. when processing malformed font files.

Affected Software

Affected Software

FreeType versions prior to 2.4.0

Solution

Solution

Upgrade to FreeType version 2.4.2 or later.

Common Vulnerabilities and Exposures (CVE)

References