CVE-2026-6039
LibreOffice can import drawings in the DXF format used by CAD software. A heap buffer overflow existed when importing a DXF polyline. The point count taken from the file was truncated to a 16-bit value when the point buffer was sized, while the full count was used to fill it, so a polyline whose point count exceeded the 16-bit range was written past the end of the buffer. In fixed versions such oversized polylines are rejected.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 5.4
- CVSS vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:P
- EPSS probability
- 0.16%
- CWE
- CWE-787, CWE-197
- Published
- 2026-06-15
- Last modified
- 2026-06-15
Affected products
- The Document Foundation LibreOffice
- The Document Foundation LibreOffice
Weakness type
Related vulnerabilities
- CVE-2026-56711 — VLC media player 3.0.0 through 3.0.23 Heap Out-of-Bounds Write via Integer Overflow in Picture Allocation
- CVE-2026-87638 — Out of bounds write in Media in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to...
- CVE-2026-87491 — Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to...
- CVE-2026-87621 — Out of bounds write in ANGLE in Google Chrome on on Windows prior to 153.0.8010.36 allowed a remote...
- CVE-2026-87438 — Out of bounds write in WebGL in Google Chrome on on Android prior to 153.0.8010.36 allowed a remote...
- CVE-2026-53938 — OpenIDC/cjose has a heap buffer overflow in AES Key Wrap decryption (A128KW/A192KW/A256KW)
- CVE-2026-81980 — Acrobat Reader | Out-of-bounds Write (CWE-787)
- CVE-2026-81981 — Acrobat Reader | Out-of-bounds Write (CWE-787)