Is CVE-2017-7946 in the CISA KEV catalog?

No. CVE-2017-7946 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-7946?

CVE-2017-7946 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2017-7946?

CVE-2017-7946 has an EPSS score of 0.87% (54th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-7946?

Upgrade radare2 on debian unstable to 1.1.0+dfsg-5 or later.

CVE & CISA-KEV Catalog

CVE-2017-7946

MEDIUM

5.5

CVSS v3

NVD

Description

The get_relocs_64 function in libr/bin/format/mach0/mach0.c in radare2 1.3.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted Mach0 file.

CWE-416Use After Free

How to fix

Remediation Available

radare2Debian

Fixed in:1.1.0+dfsg-5CVE-2017-7946

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

0.87%probability of exploitation in 30 days

54thpercentile

Moderate risk: more likely to be exploited than 54% of all known CVEs.

References

Patch2

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.