9.1

CVE-2019-15699: suricata-ids suricata Out-of-bounds Read

CVSS: 9.1v3.1CriticalModified
AliasesUBUNTU-CVE-2019-15699DEBIAN-CVE-2019-15699
Published 24-09-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2019-15699 is a critical (CVSS 9.1) Out-of-bounds Read vulnerability in suricata-ids suricata. EPSS estimates a 1.65% chance of exploitation in the next 30 days, higher than 76.2% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (NVD)
EPSS score
1.65%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 24-09-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.65%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

0.00 pp

From 1.65% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.65%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • suricata< 1:4.1.5-1
Suricata-ids1 product
Ubuntu1 product
  • suricataAll versions (No fix recorded)

3 vendors · 3 products

References

5 links