CVE-2026-124586

medium

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.

References

https://vuldb.com/vuln/433010/cti

https://vuldb.com/vuln/433010

https://vuldb.com/submit/1039172

https://vuldb.com/cve/CVE-2026-124586

https://github.com/Tencent/rapidjson/issues/2405

https://github.com/Tencent/rapidjson/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-119889

Details

Source: Mitre, NVD

Published: 2026-11-09

Updated: 2026-11-09

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 7.3

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

Severity: High

CVSS v4

Base Score: 6.9

Vector: 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

Severity: Medium