CVE-2022-26496
9.8
CRITICAL
CVSS 3.1
EPSS 0.42%
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.
How to fix CVE-2022-26496
To remediate CVE-2022-26496, upgrade the affected package to a fixed version below.
- Debian/nbd—upgrade to 1:3.21-1+deb11u1 or later
Is CVE-2022-26496 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:3.21-1+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |