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No exploitation reported

CVE-2019-16162

No exploitation reported by the sources we read.

  • Published2019-09-09
  • WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Onigmo through 6.2.0 has an out-of-bounds read in parse_char_class because of missing codepoint validation in regenc.c.

Timeline

dates in UTC
  1. 2019-09-0917:15CVE publishedNVD

Versions per branch

NVD
K-takata onigmo
BranchAffectedFixed in
6.2≤ 6.2.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • CVE-2019-16162 Red Hat Product Security127 known affected

    onigmo: out-of-bounds read in next_state_val() in regparse.c

    ruby as a component of Red Hat Enterprise Linux 7 · ruby-devel as a component of Red Hat Enterprise Linux 7 · ruby-doc as a component of Red Hat Enterprise Linux 7 · +124 more

Full record on NVD

Fix

  1. No fix planned, says the vendor Red Hat Product Security CVE-2019-16162 · 127 productsWill not fix

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2019-09-09
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-j9c5-vfjp-5rcx

Frequently asked questions

What is CVE-2019-16162?

Onigmo through 6.2.0 has an out-of-bounds read in parse_char_class because of missing codepoint validation in regenc.c.

Is CVE-2019-16162 actively exploited?

Active exploitation of CVE-2019-16162 has not been confirmed. Its EPSS score was 1.8% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-16162?

CVE-2019-16162 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record