CVE-2019-16214: Libra Core before 2019-09-03 has an erroneous regular expression for inline comments, which makes it easier fo

Q: How do I fix CVE-2019-16214?

libra core: upgrade to 2019-09-03. Exact commands for each OS are on this page.

Q: Is CVE-2019-16214 being exploited?

CVE-2019-16214 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-2019-16214 affect?

CVE-2019-16214 affects libra core. Severity is medium (CVSS 5.7). Libra Core before 2019-09-03 has an erroneous regular expression for inline comments, which makes it easier for attackers to interfere with code auditing by using a nonstandard line-break character for a comment. For example, a Move module

Q: How urgent is CVE-2019-16214?

Priority 43/100. Public exploit reference

This month

MEDIUM 5.7UPGRADE

CVE-2019-16214 is a medium-severity flaw (CVSS 5.7) affecting libra core. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Libra Core before 2019-09-03 has an erroneous regular expression for inline comments, which makes it easier for attackers to interfere with code auditing by using a nonstandard line-break character for a comment. For example, a Move module author can enter the // sequence (which introduces a single-line comment), followed by very brief comment text, the \r character, and code that has security-critical functionality. In many popular environments,

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.7 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Published	2019-09-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: libra

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

Am I affected?

Timeline

2019-09-11 04:15 UTCPublished CVE record published
2026-06-17 02:21 UTCUpdated Record last modified

libra libra core UPGRADE

Affected: < 2019-09-03

Fixed in: 2019-09-03

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy libra-core || rpm -q libra-core || libra-core --version

2. UPGRADE to 2019-09-03 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade libra-core

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade libra-core

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-2019-16214?

libra core: upgrade to 2019-09-03. Exact commands for each OS are on this page.

Is CVE-2019-16214 being exploited?

CVE-2019-16214 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-2019-16214 affect?

CVE-2019-16214 affects libra core. Severity is medium (CVSS 5.7). Libra Core before 2019-09-03 has an erroneous regular expression for inline comments, which makes it easier for attackers to interfere with code auditing by using a nonstandard line-break character for a comment. For example, a Move module

How urgent is CVE-2019-16214?

Priority 43/100. Public exploit reference

References

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