Oniguruma up to 6.9.4_rc1 regparse.c fetch_interval_quantifier out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Oniguruma up to 6.9.4_rc1. This impacts the function fetch_interval_quantifier of the file regparse.c. This manipulation causes out-of-bounds. The identification of this vulnerability is CVE-2019-19204. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Oniguruma up to 6.9.4_rc1. Affected by this vulnerability is the function fetch_interval_quantifier of the file regparse.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was shared 11/21/2019. This vulnerability is known as CVE-2019-19204 since 11/21/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 276359 (TencentOS Server 3: oniguruma (TSSA-2024:0077)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.9.4_rc2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (276359) and CERT Bund (WID-SEC-2024-1086). The entry VDB-146088 is related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • SUSE Linux
  • IBM QRadar SIEM

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 276359
Nessus Name: TencentOS Server 3: oniguruma (TSSA-2024:0077)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Oniguruma 6.9.4_rc2

Timelineinfo

11/21/2019 🔍
11/21/2019 +0 days 🔍
11/22/2019 +1 days 🔍
11/23/2025 +2193 days 🔍

Sourcesinfo

Advisory: 162
Status: Confirmed

CVE: CVE-2019-19204 (🔍)
GCVE (CVE): GCVE-0-2019-19204
GCVE (VulDB): GCVE-100-146089
CERT Bund: WID-SEC-2024-1086 - IBM QRadar SIEM: Mehrere Schwachstellen

See also: 🔍

Entryinfo

Created: 11/22/2019 08:24
Updated: 11/23/2025 02:25
Changes: 11/22/2019 08:24 (38), 11/22/2019 08:29 (17), 02/26/2024 10:35 (6), 02/26/2024 10:41 (1), 10/17/2025 01:53 (24), 11/23/2025 02:25 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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