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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Tencent | RapidJSON | 1.0, 1.1.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | rapidjson | No fix yet | — |
| Debian 13 | rapidjson | No fix yet | — |
| Debian 12 | rapidjson | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | rapidjson | No fix yet | — |
| Ubuntu 26.04 LTS | rapidjson | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | rapidjson | No fix yet | — |
| Ubuntu Pro 22.04 LTS | rapidjson | No fix yet | — |
| Ubuntu Pro 20.04 LTS | rapidjson | No fix yet | — |
| Ubuntu Pro 18.04 LTS | rapidjson | No fix yet | — |
| Ubuntu Pro 16.04 LTS | rapidjson | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | mecab +1 | 0.996-3.module+el9.9.0+24089+64aac046.4 | RHSA-2026:99741 |
| RHEL 9 | mecab-ipadic +1 | 2.7.0.20070801-24.module+el9.9.0+24089+64aac046 | RHSA-2026:99741 |
| RHEL 9 | mysql +7 | 8.4.13-1.module+el9.9.0+25300+c0fc77bc | RHSA-2026:99741 |
| RHEL 9 | perl-DBD-MySQL | 4.053-3.module+el9.9.0+24089+64aac046 | RHSA-2026:99741 |
| RHEL 9 | rapidjson +2 | 1.1.0-20.module+el9.9.0+25300+c0fc77bc | RHSA-2026:99741 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | mecab | 0.996-3.module+el9.8.0+40162+a76274f1.4 | RLSA-2026:99741 |
| Rocky Linux 9 | mecab-ipadic | 2.7.0.20070801-24.module+el9.8.0+40162+a76274f1 | RLSA-2026:99741 |
| Rocky Linux 9 | perl-DBD-MySQL | 4.053-3.module+el9.8.0+40162+a76274f1 | RLSA-2026:99741 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | opencc +1 | No fix yet | — |
Advisories 2
- RHSA-2026:99741 Red Hat Security Advisory: mysql:8.4 security update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RLSA-2026:99741 Important: mysql:8.4 security update Rocky Linux Security Advisories · Nov 13, 2026
References
- VDB-426552 | Tencent RapidJSON Regex stream.h Take out-of-bounds vdb-entry technical-description
- VDB-426552 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-116620 | CVE Analysis and Report third-party-advisory
- Submit #1024236 | tencent RapidJSON 1.1.0 Buffer Overflow third-party-advisory
- https://github.com/Tencent/rapidjson/issues/2401 exploit issue-tracking
- https://github.com/Tencent/rapidjson/ product