CVE-2018-20458 — In radare2 prior to 3.1.1, r_bin_dyldcache_extract in libr/bin/format/mach0/dyldcache.c may allow attackers to cause a denial-of-service (application crash caused by out-of-bounds read) by crafting an input file

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MEDIUM

In radare2 prior to 3.1.1, r_bin_dyldcache_extract in libr/bin/format/mach0/dyldcache.c may allow attackers to cause a denial-of-service (application crash caused by out-of-bounds read) by crafting an input file

Published Dec 25, 2018

5.5

MEDIUM

CVSS 3.1

EPSS 0.95%

Description

In radare2 prior to 3.1.1, r_bin_dyldcache_extract in libr/bin/format/mach0/dyldcache.c may allow attackers to cause a denial-of-service (application crash caused by out-of-bounds read) by crafting an input file.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.95% 0.00947

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00947

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 1, 2026	0.95% (0.00947)	59.75th	v5 (v2026.06.15)
Sep 20, 2026	0.95% (0.00947)	59.62th	v5 (v2026.06.15)
Jul 20, 2024	0.07% (0.00074)	32.24th	v3 (v2023.03.01)
Jun 21, 2024	0.07% (0.00074)	31.92th	v3 (v2023.03.01)
Mar 7, 2023	0.07% (0.00074)	29.91th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.62% (0.00624)	17.80th	v5 (v2026.06.15)
Apr 14, 2021	0.62% (0.00624)	0.00th	v1

Weaknesses (1)

CWE-125

Out-of-bounds Read

References (2)

https://github.com/radare/radare2/issues/12374
x_refsource_MISCExploitThird Party Advisory
https://github.com/radareorg/radare2/commit/30f4c7b52a4e2dc0d0b1bae487d90f5437c69d19
x_refsource_MISCPatchVendor Advisory

Link	Providers	Tags
https://github.com/radare/radare2/issues/12374		x_refsource_MISCExploitThird Party Advisory
https://github.com/radareorg/radare2/commit/30f4c7b52a4e2dc0d0b1bae487d90f5437c69d19		x_refsource_MISCPatchVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Dec 25, 2018

Updated Aug 5, 2024

Reserved Dec 25, 2018

Link CVE-2018-20458

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2018-20458

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-20458