PT-2026-26366 · Wolfssl · Wolfssl

Published 2026-03-19 · Updated 2026-03-22 · CVE-2026-3230

Positive Technologies (AI Summary)

CVSS v3.1

2.7

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions wolfSSL (affected versions not specified)

Description A missing cryptographic step in the TLS 1.3 client HelloRetryRequest handshake logic in wolfSSL could compromise the confidentiality of TLS-protected communications. This occurs through a crafted HelloRetryRequest followed by a ServerHello message that omits the required key share extension, leading to predictable traffic secrets derived from (EC)DHE shared secrets.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2026-3230

Affected Products

Wolfssl

References · 9

• https://github.com/wolfSSL/wolfssl/pull/9754 · Patch
• https://ubuntu.com/security/CVE-2026-3230 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-3230 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-3230 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-3230 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-3230 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-3230 · Security Note
• https://twitter.com/infoflowcloud/status/2035627828465619244 · Twitter Post
• https://twitter.com/CVEnew/status/2035627053811122564 · Twitter Post