What’s Vulnerable › Vulnerabilities

CVE-2019-8981

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-03-26 · updated 2026-06-17
• Weakness: CWE-787

Description

tls1.c in Cameron Hamilton-Rich axTLS before 2.1.5 has a Buffer Overflow via a crafted sequence of TLS packets because the need_bytes value is mismanaged.

Affected products

• Axtls Project Axtls: before 2.1.5 — fixed in 2.1.5

How to fix

Upgrade to a fixed version: Axtls Project Axtls 2.1.5. Check the vendor advisory for mitigations.

References

• http://axtls.sourceforge.net
• https://www.telekom.com/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842
• https://www.telekom.com/resource/blob/566546/276aaa2eab781729f2544d62edecf002/dl-190322-remote-buffer-overflow-in-a-axtls-data.pdf
• http://axtls.sourceforge.net
• https://www.telekom.com/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842
• https://www.telekom.com/resource/blob/566546/276aaa2eab781729f2544d62edecf002/dl-190322-remote-buffer-overflow-in-a-axtls-data.pdf

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