CVE-2019-15699

9.1 criticalEPSS 1.6%

An issue was discovered in app-layer-ssl.c in Suricata 4.1.4. Upon receiving a corrupted SSLv3 (TLS 1.2) packet, the parser function TLSDecodeHSHelloExtensions tries to access a memory region that is not allocated, because the expected length of HSHelloExtensions does not match the real length of the HSHelloExtensions part of the packet.

Severity

CVSS 3.1

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 76% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2019-09-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

suricata-ids:suricata

References

https://lists.openinfosecfoundation.org/pipermail/oisf-announce/
https://suricata-ids.org/2019/09/24/suricata-4-1-5-released/
https://lists.openinfosecfoundation.org/pipermail/oisf-announce/
https://suricata-ids.org/2019/09/24/suricata-4-1-5-released/

Check your stack JSON