Is CVE-2019-19204 in the CISA KEV catalog?

No. CVE-2019-19204 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-19204?

CVE-2019-19204 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2019-19204?

CVE-2019-19204 has an EPSS score of 6.89% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-19204?

Upgrade libonig on debian 11 to 6.9.4-1 or later. Fixes are available for 12 affected products.

CVE & CISA-KEV Catalog

CVE-2019-19204

HIGHEPSS 93th pctl

7.5

CVSS v3

NVD

Description

An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function fetch_interval_quantifier (formerly known as fetch_range_quantifier) in regparse.c, PFETCH is called without checking PEND. This leads to a heap-based buffer over-read.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

libonigDebian

Fixed in:6.9.4-1CVE-2019-19204

onigurumaRed Hat / RHEL

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_6RHSA-2024:0409

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_6RHSA-2024:0409

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

onigurumaRocky

Fixed in:0:6.8.2-2.1.el8_6RHSA-2024:0409

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

oniguruma-debuginfoRocky

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

Fixed in:0:6.8.2-2.1.el8_6RHSA-2024:0409

oniguruma-debuginfoRed Hat / RHEL

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

Fixed in:0:6.8.2-2.1.el8_6RHSA-2024:0409

oniguruma-debugsourceRed Hat / RHEL

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_6RHSA-2024:0409

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_6RHSA-2024:0409

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_6RHSA-2024:0409

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

Fixed in:0:6.8.2-2.1.el8_6RHSA-2024:0409

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

Fixed in:0:6.8.2-2.1.el8_6RHSA-2024:0409

oniguruma-debugsourceRocky

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_6RHSA-2024:0409

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

Fixed in:0:6.8.2-2.1.el8_6RHSA-2024:0409

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

oniguruma-develRed Hat / RHEL

Fixed in:0:6.8.2-2.1.el8_6RHSA-2024:0409

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_6RHSA-2024:0409

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

oniguruma-develRocky

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_6RHSA-2024:0409

Fixed in:0:6.8.2-2.1.el8_8RHSA-2024:0572

Fixed in:0:6.8.2-2.1.el8_9RHSA-2024:0889

libonigUbuntu

Fixed in:5.9.1-1ubuntu1.1+esm3USN-5662-1

Fixed in:5.9.1-1ubuntu1.1+esm2USN-4460-1

Fixed in:5.9.6-1ubuntu0.1+esm3USN-5662-1

Fixed in:6.7.0-1ubuntu0.1~esm2USN-5662-1

libonig2Ubuntu

Fixed in:5.9.1-1ubuntu1.1+esm2USN-4460-1

Fixed in:5.9.1-1ubuntu1.1+esm3USN-5662-1

Fixed in:5.9.6-1ubuntu0.1+esm3USN-5662-1

libonig4Ubuntu

Fixed in:6.7.0-1ubuntu0.1~esm2USN-5662-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

6.89%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Patch1

github.com

Exploit1

github.com

Third-Party Advisory2

Release Notes1

github.com

Other references3

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.