CVE-2019-20433

CRITICAL

GNU Aspell < 0.60.8 - Out-of-bounds Read via UCS-2/UCS-4 Encoding

Title source: llm
STIX 2.1

Description

libaspell.a in GNU Aspell before 0.60.8 has a buffer over-read for a string ending with a single '\0' byte, if the encoding is set to ucs-2 or ucs-4 outside of the application, as demonstrated by the ASPELL_CONF environment variable.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
http://aspell.net/buffer-overread-ucs.txt

Scores

CVSS v3 9.1
EPSS 0.0174
EPSS Percentile 75.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Details

CWE
CWE-125
Status published
Products (1)
gnu/aspell < 0.60.8
Published Jan 27, 2020
Tracked Since Feb 18, 2026