Vulnerability in Openbsd

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.

EPSS: 0.019 (77.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Openbsd — versions 6.9, 7.0
  • N/a — versions n/a

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Patch, x_refsource_MISC, Release Notes, Vendor Advisory)
  • cve@mitre.org (Patch, x_refsource_MISC, Release Notes, Vendor Advisory)
  • cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2022-27882?
CVE-2022-27882 is a high-severity vulnerability in Openbsd, classified under Incorrect Conversion between Numeric Types. CVSS score: 7.5/10. Published 2022-03-25.
How severe is CVE-2022-27882?
High severity. CVSS v3 base score is 7.5 out of 10.