High severity7.5NVD Advisory· Published Dec 3, 2019· Updated Jun 17, 2026
CVE-2019-10013
CVE-2019-10013
Description
The asn1_signature function in asn1.c in Cameron Hamilton-Rich axTLS through 2.1.5 has a Buffer Overflow that allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted certificate in the TLS certificate handshake message, because the result of get_asn1_length() is not checked for a minimum or maximum size.
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Affected products
2- Cameron Hamilton-Rich/axTLSdescription
Patches
Vulnerability mechanics
References
5- axtls.sourceforge.netnvdVendor Advisory
- packetstormsecurity.com/files/155500/axTLS-2.1.5-Denial-Of-Service.htmlnvdThird Party AdvisoryVDB Entry
- seclists.org/bugtraq/2019/Nov/44nvd
- www.telekom.com/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842nvd
- www.telekom.com/resource/blob/586416/12097aeb8f9a6bba89a804b94575521a/dl-191121-critical-remote-denial-of-service-vulnerability-i--data.pdfnvd
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