Bug 2546565 (CVE-2026-75820) - CVE-2026-75820 aspell: aspell: Denial of Service via integer truncation in wordlist processing
Summary: CVE-2026-75820 aspell: aspell: Denial of Service via integer truncation in wo...
Keywords:
Status: NEW
Alias: CVE-2026-75820
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2546612
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-06 11:01 UTC by OSIDB Bzimport
Modified: 2026-10-06 14:17 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
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Last Closed:
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Description OSIDB Bzimport 2026-10-06 11:01:56 UTC 
GNU Aspell contains an integer truncation vulnerability in the WritableDict::add() function in modules/speller/default/writable.cpp. When loading a personal wordlist, the word length is stored as a single byte, causing truncation for words whose length is a multiple of 256. This leads to heap corruption. An attacker can exploit this by convincing a user to run aspell with a crafted personal wordlist containing such a word, resulting in denial of service.



This issue was fixed in commit 782ce94e4dc71eaec4ee1bd945eb3b9c47c5387d which will be released in version 0.60.8.3.
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