CVE-2019-10053: suricata-ids suricata Out-of-bounds Read
CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2019-10053DEBIAN-CVE-2019-10053
Published 13-05-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-10053 is a critical (CVSS 9.8) Out-of-bounds Read vulnerability in suricata-ids suricata. EPSS estimates a 1.71% chance of exploitation in the next 30 days, higher than 77.1% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
1.71%
0%100%
Low · +0.17 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 13-05-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in Suricata 4.1.x before 4.1.4. If the input of the function SSHParseBanner is composed only of a \n character, then the program runs into a heap-based buffer over-read. This occurs because the erroneous search for \r results in an integer underflow.
CVSS metrics
4 scores · 3 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.71%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
+0.17 pp
From 1.54% on 21-09-2026
21-09-202621-10-2026
EPSS score1.71%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.
- CWE-191Integer Underflow (Wrap or Wraparound)The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.
Affected systems
Debian1 product
- suricata< 1:4.1.4-1
Suricata-ids1 product
- suricata≥ 4.1.0, < 4.1.4
Ubuntu1 product
- suricataAll versions (No fix recorded)
3 vendors · 3 products
