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URL: https://nvd.nist.gov/vuln/detail/CVE-2026-8356

⇱ NVD - CVE-2026-8356

  1. Vulnerabilities

CVE-2026-8356 Detail

Not Scheduled

This CVE record is not being prioritized for NVD enrichment efforts due to resource or other concerns.

Description

LibreOffice can import presentations in the legacy binary PPT format. A stack buffer overflow existed when importing a colour-replacement record. Two fixed-size colour tables were filled from the file, but the write position was not reset between the two passes over the record, so a file whose combined colour counts exceeded the table size wrote past the end of the tables on the stack. In fixed versions the unused second pass is no longer read into those tables.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NVD assessment not yet provided.

CNA:  Document Foundation, The
CVSS-BT 5.4 MEDIUM
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

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://www.libreoffice.org/about-us/security/advisories/cve-2026-8356 Document Foundation, The

Weakness Enumeration

CWE-ID CWE Name Source
CWE-121 Stack-based Buffer Overflow Document Foundation, The  
CWE-787 Out-of-bounds Write Document Foundation, The  

Change History

3 change records found show changes

CVE Modified by CISA-ADP 6/17/2026 7:03:50 AM

Action Type Old Value New Value
Added SSVC 
{"timestamp":"2026-06-15T18:04:56.736672Z","id":"CVE-2026-8356","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

CVE Modified by Document Foundation, The 6/17/2026 7:03:50 AM

Action Type Old Value New Value
Added Affected 
[{"vendor":"The Document Foundation","product":"LibreOffice","defaultStatus":"unknown","versions":[{"version":"26.2","lessThan":"< 26.2.4","versionType":"26.2 series","status":"affected"}]}]

New CVE Received from Document Foundation, The 6/15/2026 2:16:37 PM

Action Type Old Value New Value
Added Description 
LibreOffice can import presentations in the legacy binary PPT format. A stack buffer overflow existed when importing a colour-replacement record. Two fixed-size colour tables were filled from the file, but the write position was not reset between the two passes over the record, so a file whose combined colour counts exceeded the table size wrote past the end of the tables on the stack. In fixed versions the unused second pass is no longer read into those tables.
Added CVSS V4.0 
AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Added CWE 
CWE-121
Added CWE 
CWE-787
Added Reference 
https://www.libreoffice.org/about-us/security/advisories/cve-2026-8356

Quick Info

CVE Dictionary Entry:
CVE-2026-8356
NVD Published Date:
06/15/2026
NVD Last Modified:
06/17/2026
Source:
Document Foundation, The