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CVE-2013-5919: Suricata before 1.4.6 allows remote attackers to cause a denial of service (crash) via a malformed SSL record.

36
Routine
MEDIUM 5.0DOWNGRADEUPGRADE

CVE-2013-5919 is a medium-severity flaw (CVSS 5.0) affecting suricata, suricata. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Suricata before 1.4.6 allows remote attackers to cause a denial of service (crash) via a malformed SSL record.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score5.0 (Medium)
EPSS exploit chance1.6% (top 24%)
CISA exploited listNo
WeaknessCWE-20
Published2014-05-30
Last modified2026-06-16
Publisher (CNA): MITRE · Vendor: oisf · openinfosecfoundation

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Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

oisf suricata DOWNGRADE
Affected: 1.3 beta2 · 1.3 beta3 · 1.3 rc1 · 1.3.1 · 1.3.2 · 1.3.3 · 1.3.4 · 1.3.5
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.3
1. Check installed version
apt-cache policy suricata || rpm -q suricata || suricata --version
2. No fixed release: DOWNGRADE to a release before 1.3 (Debian / Ubuntu)
apt-cache madison suricata sudo apt install suricata=<VERSION_BEFORE_1.3> sudo apt-mark hold suricata
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list suricata sudo dnf downgrade suricata-<VERSION_BEFORE_1.3> sudo dnf versionlock add suricata
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
openinfosecfoundation suricata UPGRADE
Affected: <= 1.4.5 · 1.4
Fixed in: newer than 1.4.5
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy suricata || rpm -q suricata || suricata --version
2. UPGRADE to newer than 1.4.5 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade suricata
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade suricata
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2013-5919?

suricata: downgrade or apply the listed mitigation; suricata: upgrade to newer than 1.4.5. Exact commands for each OS are on this page.

Is CVE-2013-5919 being exploited?

CVE-2013-5919 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2013-5919 affect?

CVE-2013-5919 affects suricata, suricata. Severity is medium (CVSS 5.0). Suricata before 1.4.6 allows remote attackers to cause a denial of service (crash) via a malformed SSL record.

How urgent is CVE-2013-5919?

Priority 36/100. No elevated risk signals yet.

Software pages

Suricata and Snort vulnerabilities

Related CVEs

References

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