VULNERABILITY INTELLIGENCE
CVE-1999-1111
CVSS score7.5 HIGH
EPSS probability1.80%
CISA KEVNot currently listed
Published1999-11-09
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P
Description
Vulnerability in StackGuard before 1.21 allows remote attackers to bypass the Random and Terminator Canary security mechanisms by using a non-linear attack which directly modifies a pointer to a return address instead of using a buffer overflow to reach the return address entry itself.