CVE-2014-2898

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-01-28 · updated 2026-06-17
Weakness: CWE-125

Description

wolfSSL CyaSSL before 2.9.4 allows remote attackers to have unspecified impact via multiple calls to the CyaSSL_read function which triggers an out-of-bounds read when an error occurs, related to not checking the return code and MAC verification failure.

Affected products

wolfSSL: before 2.9.0 — fixed in 2.9.0

How to fix

Upgrade to a fixed version: wolfSSL 2.9.0. Check the vendor advisory for mitigations.

References

http://seclists.org/oss-sec/2014/q2/126
http://seclists.org/oss-sec/2014/q2/130
http://www.wolfssl.com/yaSSL/Blog/Entries/2014/4/11_wolfSSL_Security_Advisory__April_9%2C_2014.html
http://www.wolfssl.com/yaSSL/Docs-cyassl-changelog.html
http://seclists.org/oss-sec/2014/q2/126
http://seclists.org/oss-sec/2014/q2/130
http://www.wolfssl.com/yaSSL/Blog/Entries/2014/4/11_wolfSSL_Security_Advisory__April_9%2C_2014.html
http://www.wolfssl.com/yaSSL/Docs-cyassl-changelog.html

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