CVE-2026-0930 | BDVDB-2026-327685 Detail

wolfSSLwolfSSH

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.

Impact#

Per CVSS v4.0: confidentiality impact low, integrity impact none, availability impact low. Attack vector: network.

Weaknesses#

CWE-126 Buffer over-read

References#

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

Exploit#

No public exploit known

History#

Version 12026-04-20Record published in the CVE List.
Version 22026-04-21Most recent update recorded in the CVE List.

Published

Published: 2026-04-20
Last modified: 2026-04-21

Vendor information

Vendor: wolfSSL
Product: wolfSSH

All wolfSSL vulnerabilities

Score

2.3 Low

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 6.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 1.4.15 and < 1.5.0
Fixed
1.5.0

Scoring System

CVSS v4.0

2.3 Low

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	Present
Privileges Required	Low
User Interaction	None
Vulnerable System Confidentiality	Low
Vulnerable System Integrity	None
Vulnerable System Availability	Low
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).