CVE-2026-124586: medium-severity vulnerability in Tencent RapidJSON
Tencent RapidJSON diyfp.h GetCachedPowerByIndex out-of-bounds
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
10Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.9
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.
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
Affected products
Tencent · RapidJSONRelated CVEs — Tencent RapidJSON
In the same product, most dangerous first.
CVE-2024-39684MEDIUMTencent RapidJSON include/rapidjson/reader.h GenericReader::ParseNumber() Function Template Exponent Parsing Integer OverflowEPSS 0.4%CVE-2024-38517MEDIUMTencent RapidJSON include/rapidjson/reader.h GenericReader::ParseNumber() Function Template Exponent Parsing Integer UnderflowEPSS 0.4%CVE-2026-116620MEDIUMTencent RapidJSON Regex stream.h Take out-of-boundsEPSS 0.3%