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CVE-2026-124586

Tencent RapidJSON diyfp.h GetCachedPowerByIndex out-of-bounds

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 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Tencent
Products
Rapidjson
CVE-2026-116620

Tencent RapidJSON Regex stream.h Take out-of-bounds

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.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Tencent
Products
Rapidjson
CVE-2024-38517

Tencent RapidJSON include/rapidjson/reader.h GenericReader::ParseNumber() Function Template Exponent Parsing Integer Underflow

Tencent RapidJSON is vulnerable to privilege escalation due to an integer underflow in the `GenericReader::ParseNumber()` function of `include/rapidjson/reader.h` when parsing JSON text from a stream. An attacker needs to send the victim a crafted file which needs to be opened; this triggers the integer underflow vulnerability (when the file is parsed), leading to elevation of privilege.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Tencent
Products
Rapidjson
CVE-2024-39684

Tencent RapidJSON include/rapidjson/reader.h GenericReader::ParseNumber() Function Template Exponent Parsing Integer Overflow

Tencent RapidJSON is vulnerable to privilege escalation due to an integer overflow in the `GenericReader::ParseNumber()` function of `include/rapidjson/reader.h` when parsing JSON text from a stream. An attacker needs to send the victim a crafted file which needs to be opened; this triggers the integer overflow vulnerability (when the file is parsed), leading to elevation of privilege.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Tencent
Products
Rapidjson