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CVE-2018-20458

20
FAUCET Score

CVE-2018-20458 describes an out-of-bounds read vulnerability in radare2 versions prior to 3.1.1, specifically within the r_bin_dyldcache_extract function. This flaw allows an unauthenticated attacker to trigger a denial-of-service condition (application crash) by providing a specially crafted input file. The vulnerability has a CVSS v3.1 score of 5.5 (Medium), indicating a local attack vector with low complexity and a high impact on availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.1.1CPE matchmatch criteria
cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.94%
Probability of exploitation in next 30 days
EPSS Percentile
57.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0094 is in the 67th percentile among its peer group of 5,765 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / radareorg/radare2/commit/30f4c7b52a4e2dc0d0b1bae487d90f5437c69d19
PatchVendor Advisory
github.com / radare/radare2/issues/12374
ExploitThird Party Advisory