CVE-2022-42905
9.1
CRITICAL
CVSS 3.1
EPSS 6.0%
Description
In wolfSSL before 5.5.2, if callback functions are enabled (via the WOLFSSL_CALLBACKS flag), then a malicious TLS 1.3 client or network attacker can trigger a buffer over-read on the heap of 5 bytes. (WOLFSSL_CALLBACKS is only intended for debugging.)
How to fix CVE-2022-42905
To remediate CVE-2022-42905, upgrade the affected package to a fixed version below.
- Debian/wolfssl—upgrade to 4.6.0+p1-0+deb11u2 or later
Is CVE-2022-42905 being exploited?
Moderate — EPSS is 6.0%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 4.6.0+p1-0+deb11u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |