CVSS v3
9.8
CRITICAL
EPSS Score
3.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
In nbd-server in nbd before 3.24, there is a stack-based buffer overflow. An attacker can cause a buffer overflow in the parsing of the name field by sending a crafted NBD_OPT_INFO or NBD_OPT_GO message with an large value as the length of the name.
Technical details
- Published
- 2022-03-06
Frequently asked questions
What is CVE-2022-26496?
In nbd-server in nbd before 3.24, there is a stack-based buffer overflow. An attacker can cause a buffer overflow in the parsing of the name field by sending a crafted NBD_OPT_INFO or NBD_OPT_GO message with an large value as the length of the name.
Is CVE-2022-26496 actively exploited?
Active exploitation of CVE-2022-26496 has not been confirmed. Its EPSS score was 3.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-26496?
CVE-2022-26496 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2022-26496 affecting your environment?
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