The (1) t1_parse_font_matrix function in type1/t1load.c, (2) cid_parse_font_matrix function in cid/cidload.c, (3) t42_parse_font_matrix function in type42/t42parse.c, and (4) ps_parser_load_field function in psaux/psobjs.c in FreeType before 2.5.4 do not check return values, which allows remote attackers to cause a denial of service (uninitialized memory access and application crash) or possibly have unspecified other impact via a crafted font.
http://www.debian.org/security/2015/dsa-3370
http://www.openwall.com/lists/oss-security/2015/09/11/4
http://www.openwall.com/lists/oss-security/2015/09/25/4
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
Source: MITRE
Published: 2016-06-07
Updated: 2018-07-19
Type: CWE-20
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL