CVE-2019-20433
aspell: UCS-2 and UCS-4 null-terminated string handling OOB read
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Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · August 17, 2019
Updated · June 27, 2026
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 5.8CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
CWE-170 · Improper Null Termination