CVE-2026-116620
Tencent RapidJSON Regex stream.h Take out-of-bounds
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 27, 2026
- Updated
- Oct 27, 2026
- Reserved
- Oct 26, 2026
Description
A security vulnerability has been detected in Tencent RapidJSON up to 1.1.0. This issue affects the function GenericStringStream<UTF8<char>>::Take in the library include/rapidjson/stream.h of the component Regex Parser. The manipulation leads to out-of-bounds read. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 7.3 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C | VulDB |
| 3.0 | 7.3 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
RapidJSONTencent |
|
References
- VDB-426552 | Tencent RapidJSON Regex stream.h Take out-of-boundsvdb-entrytechnical-description
- VDB-426552 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-116620 | CVE Analysis and Reportthird-party-advisory
- Submit #1024236 | tencent RapidJSON 1.1.0 Buffer Overflowthird-party-advisory
- https://github.com/Tencent/rapidjson/issues/2401exploitissue-tracking
- https://github.com/Tencent/rapidjson/product
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