What’s Vulnerable › Vulnerabilities

CVE-2022-29777

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-06-02 · updated 2026-06-17
• Weakness: CWE-787

Description

Onlyoffice Document Server v6.0.0 and below and Core 6.1.0.26 and below were discovered to contain a heap overflow via the component DesktopEditor/fontengine/fontconverter/FontFileBase.h.

Affected products

• ONLYOFFICE Core: through 6.1.0.26
• ONLYOFFICE Document Server: through 6.0.0

References

• https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#601
• https://github.com/ONLYOFFICE/core/commit/b17d5e860f30e8be2caeb0022b63be4c76660178
• https://github.com/moehw/poc_exploits/tree/master/CVE-2022-29777
• https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#601
• https://github.com/ONLYOFFICE/core/commit/b17d5e860f30e8be2caeb0022b63be4c76660178
• https://github.com/moehw/poc_exploits/tree/master/CVE-2022-29777

Get alerted when CVE-2022-29777 or the next vulnerability affects your stack