CVE-2018-13996: Genann through 2018-07-08 has a stack-based buffer over-read in genann_train in genann.c.

Q: How do I fix CVE-2018-13996?

genann: upgrade to newer than 2018-07-08. Exact commands for each OS are on this page.

Q: Is CVE-2018-13996 being exploited?

CVE-2018-13996 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-13996 affect?

CVE-2018-13996 affects genann. Severity is critical (CVSS 9.8). Genann through 2018-07-08 has a stack-based buffer over-read in genann_train in genann.c.

Q: How urgent is CVE-2018-13996?

Priority 64/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2018-13996 is a critical-severity flaw (CVSS 9.8) affecting genann. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Genann through 2018-07-08 has a stack-based buffer over-read in genann_train in genann.c.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Weakness	CWE-125
Published	2018-07-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: codeplea

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-07-12 12:29 UTCPublished CVE record published
2026-06-17 01:40 UTCUpdated Record last modified

codeplea genann UPGRADE

Affected: <= 2018-07-08

Fixed in: newer than 2018-07-08

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy genann || rpm -q genann || genann --version

2. UPGRADE to newer than 2018-07-08 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade genann

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade genann

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-2018-13996?

genann: upgrade to newer than 2018-07-08. Exact commands for each OS are on this page.

Is CVE-2018-13996 being exploited?

CVE-2018-13996 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-2018-13996 affect?

CVE-2018-13996 affects genann. Severity is critical (CVSS 9.8). Genann through 2018-07-08 has a stack-based buffer over-read in genann_train in genann.c.

How urgent is CVE-2018-13996?

Priority 64/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2018-13997 HIGH 7.5 UPGRADE Genann through 2018-07-08 has a SEGV in genann_run in genann.c.

References

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