What is CVE-2019-20433?

CVE-2019-20433 is a critical-severity vulnerability in Gnu Aspell, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2020-01-27.

How severe is CVE-2019-20433?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Out-of-bounds Read in Gnu Aspell

CVE-2019-20433

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.

Vulnerability class: Buffer Overflow

EPSS: 0.017 (75.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Gnu Aspell
N/a — versions n/a

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2019-20433?: CVE-2019-20433 is a critical-severity vulnerability in Gnu Aspell, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2020-01-27.
How severe is CVE-2019-20433?: Critical severity. CVSS v3 base score is 9.1 out of 10.