CVE-2022-29777

CRITICAL
Published Jun 2, 20224y ago · Modified Jun 17, 20261w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Jun 2, 2022 4y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 2

VendorProductVersionRange
onlyofficecore* ≤6.1.0.26
onlyofficedocument_server* ≤6.0.0

References 3

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

Remediation

  • github.com https://github.com/ONLYOFFICE/core/commit/b17d5e860f30e8be2caeb0022b63be4c76660178
    PatchThird Party Advisory