CVE-2026-124586 Details
Description
A vulnerability was determined in Tencent RapidJSON 1.1.0. Impacted is the function GetCachedPowerByIndex in the library include/rapidjson/internal/diyfp.h. This manipulation of the argument decimalPosition causes out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
A heap-buffer-overflow vulnerability has been identified in Tencent RapidJSON version 1.1.0. This issue arises in the function GetCachedPowerByIndex, located in the file include/rapidjson/internal/diyfp.h. The vulnerability is triggered by an integer underflow in the decimalPosition argument, which leads to an out-of-bounds read. This vulnerability can be exploited remotely.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Nov 9, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Tencent/rapidjson/ | [email protected] | Vendor |
| https://github.com/Tencent/rapidjson/issues/2405 | [email protected] | ExploitIssue TrackingTechnical DescriptionVendor |
| https://vuldb.com/cve/CVE-2026-124586 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/1039172 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/433010 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/433010/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-125 | Out-of-bounds Read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Tencent RapidJSON | 1.1.0 (semver) |
CPE
Remediation
| |
Change History
1 change record found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 9, 2026 | New CVE Received | [email protected] |