CVE-2022-27881
HIGH
7.5
CVSS Score
Published: March 25, 2022 at 05:13 PM UTC
Updated: June 17, 2026 at 04:37 AM UTC
1 product affected across 1 vendorOpenBSD
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 2%
Description
engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21 has a buffer overflow triggerable by an IPv6 router advertisement with more than seven nameservers. NOTE: privilege separation and pledge can prevent exploitation.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
x_refsource_MISCExploitPatchThird Party Advisory
Source: [email protected]
https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.htmlx_refsource_MISCPatchRelease NotesVendor Advisory
Source: [email protected]
https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sigx_refsource_MISCPatchRelease NotesVendor Advisory
Source: [email protected]
https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sigx_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20220506-0005/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-120
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card