Stack-based Buffer Overflow Affecting autocorr-de package, versions *


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.19% (8th percentile)

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  • Snyk IDSNYK-CENTOS7-AUTOCORRDE-20168748
  • published27 Sept 2026
  • disclosed22 Sept 2026

Introduced: 22 Sep 2026

NewCVE-2026-63276  (opens in a new tab)
CWE-121  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 autocorr-de.

NVD Description

Note: Versions mentioned in the description apply only to the upstream autocorr-de package and not the autocorr-de package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

LibreOffice converts CFF fonts to Type 1 when it subsets a font, which happens when a document is exported to PDF, and CFF fonts may be embedded in documents. A stack buffer overflow existed in that conversion. The converted operators were written into a fixed size buffer with no check that they still fit, so a glyph emitting many operators wrote past the end of the buffer. In fixed versions the remaining capacity is tracked and the conversion stops when it is used up.

CVSS Base Scores

version 3.1