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CVE-1999-1111

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.

Published: Nov 9, 1999 Modified: Jun 16, 2026

CVSS Metrics

Affected Products (1)

Vendor Product Version
immunix stackguard *

GitHub Security Advisory GHSA-fpjr-9gj6-mc3v

Vulnerability in StackGuard before 1.21 allows remote attackers to bypass the Random and...

References (6)

Risk Scores

CVSS Score 7.5 / 10
EPSS Score 1.82%

Top 23% most likely to be exploited

Threat Score 30.5 / 100

Data Sources

NVD EPSS GitHub