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cvelistMitreCVELIST:CVE-2021-41991
HistoryOct 18, 2021 - 1:44 p.m.

CVE-2021-41991

2021-10-1813:44:25
mitre
www.cve.org

8.2 High

AI Score

Confidence

High

0.069 Low

EPSS

Percentile

93.9%

The in-memory certificate cache in strongSwan before 5.9.4 has a remote integer overflow upon receiving many requests with different certificates to fill the cache and later trigger the replacement of cache entries. The code attempts to select a less-often-used cache entry by means of a random number generator, but this is not done correctly. Remote code execution might be a slight possibility.