CRITICAL9.8
Heap-based buffer overflow in the yy_get_next_buffer function in Flex before 2.6.1 might allow context-dependent attackers to cause a denial of service or possibly execute arbitrary code via vectors involving num_to_read.
CVSS 2.0HIGH 7.5
CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:PCVSS 3.xCRITICAL 9.8
CVSS:3.x/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HReferences
- http://www.debian.org/security/2016/dsa-3653
- http://www.openwall.com/lists/oss-security/2016/07/18/8
- http://www.openwall.com/lists/oss-security/2016/07/26/12
- https://github.com/westes/flex/commit/a5cbe929ac3255d371e698f62dc256afe7006466
- https://security.gentoo.org/glsa/201701-31
- http://www.debian.org/security/2016/dsa-3653
- http://www.openwall.com/lists/oss-security/2016/07/18/8
- http://www.openwall.com/lists/oss-security/2016/07/26/12
- https://github.com/westes/flex/commit/a5cbe929ac3255d371e698f62dc256afe7006466
- https://security.gentoo.org/glsa/201701-31