CVE-2022-27882
CVSS v3
7.5
HIGH
EPSS Score
1.9 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
slaacd in OpenBSD 6.9 and 7.0 before 2022-03-22 has an integer signedness error and resultant heap-based buffer overflow triggerable by a crafted IPv6 router advertisement. NOTE: privilege separation and pledge can prevent exploitation.
Technical details
- Published
- 2022-03-25
Frequently asked questions
What is CVE-2022-27882?
slaacd in OpenBSD 6.9 and 7.0 before 2022-03-22 has an integer signedness error and resultant heap-based buffer overflow triggerable by a crafted IPv6 router advertisement. NOTE: privilege separation and pledge can prevent exploitation.
Is CVE-2022-27882 actively exploited?
Active exploitation of CVE-2022-27882 has not been confirmed. Its EPSS score was 1.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-27882?
CVE-2022-27882 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2022-27882 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2022 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).