What is CVE-2018-11433?

CVE-2018-11433 is a medium-severity vulnerability in Libmobi Project, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2018-05-30.

How severe is CVE-2018-11433?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Out-of-bounds Read in Libmobi Project

CVE-2018-11433

The mobi_get_kf8boundary_seqnumber function in util.c in Libmobi 0.3 allows remote attackers to cause information disclosure (heap-based buffer over-read) via a crafted mobi file.

Vulnerability class: Buffer Overflow

Published 2018-05-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.014 (72.1th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Libmobi Project — versions 0.3

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

seclists.org/fulldisclosure/2018/May/48 (mailing-list, Exploit, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2018-11433?: CVE-2018-11433 is a medium-severity vulnerability in Libmobi Project, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2018-05-30.
How severe is CVE-2018-11433?: Medium severity. CVSS v3 base score is 6.5 out of 10.