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

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MEDIUM

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

Published May 30, 2018

6.5

MEDIUM

CVSS 3.0

EPSS 1.43%

Description

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.43% 0.01434

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.

EPSS probability 0.01434

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 3, 2026	1.43% (0.01434)	72.18th	v5 (v2026.06.15)
Sep 20, 2026	1.43% (0.01434)	71.91th	v5 (v2026.06.15)
Jul 20, 2024	0.34% (0.00341)	71.75th	v3 (v2023.03.01)
Feb 8, 2024	0.34% (0.00341)	70.66th	v3 (v2023.03.01)
Mar 7, 2023	0.34% (0.00341)	66.87th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)
Feb 3, 2022	0.52% (0.00523)	12.55th	v5 (v2026.06.15)
Apr 14, 2021	0.52% (0.00523)	0.00th	v1

Weaknesses (1)

CWE-125

Out-of-bounds Read

References (1)

http://seclists.org/fulldisclosure/2018/May/48
mailing-listx_refsource_FULLDISCExploitMailing ListThird Party Advisory

Link	Providers	Tags
http://seclists.org/fulldisclosure/2018/May/48		mailing-listx_refsource_FULLDISCExploitMailing ListThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published May 30, 2018

Updated Aug 5, 2024

Reserved May 24, 2018

Link CVE-2018-11433

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2018-11433

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-11433