Description
An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. This leads to a heap-based buffer over-read.
Published: 2019-11-21
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2431-1 [SECURITY][DLA 2431-1] libonig security update
EUVD EUVD EUVD-2019-8835 An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. This leads to a heap-based buffer over-read.
Ubuntu USN Ubuntu USN USN-5662-1 Oniguruma vulnerabilities
History

Tue, 15 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00663}

epss

{'score': 0.01147}


Subscriptions

Fedoraproject Fedora
Oniguruma Project Oniguruma
Redhat Enterprise Linux Rhel Eus Rhel Software Collections
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T02:09:39.577Z

Reserved: 2019-11-21T00:00:00.000Z

Link: CVE-2019-19203

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-11-21T21:15:11.497

Modified: 2024-11-21T04:34:19.243

Link: CVE-2019-19203

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-11-06T00:00:00Z

Links: CVE-2019-19203 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses