CVE-2026-0930

Description

Potential read out of bounds case with wolfSSHd on Windows while handling a terminal resize request. An authenticated user could trigger the out of bounds read after establishing a connection which would leak the adjacent stack memory to the pseudo-console output.

CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploit Prediction

0.0003

Probability of exploitation

0.08%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-126 CWE-126

CWE-125 Out-of-bounds Read

Affected Products

Vendor	Product	Versions
wolfssh	wolfssh	1.4.15 — 1.5.0

References

Other References

https://github.com/wolfssl/wolfssh/pull/846

Frequently Asked Questions

What is CVE-2026-0930? +

Potential read out of bounds case with wolfSSHd on Windows while handling a terminal resize request. An authenticated user could trigger the out of bounds read after establishing a connection which would leak the adjacent stack memory to the pseudo-console output. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-0930? +

CVE-2026-0930 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0003, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-0930? +

CVE-2026-0930 affects products from wolfssh, specifically: wolfssh. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-0930? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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