Is CVE-2018-6612 in the CISA KEV catalog?

No. CVE-2018-6612 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-6612?

CVE-2018-6612 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2018-6612?

CVE-2018-6612 has an EPSS score of 1.14% (63th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-6612?

Upgrade jhead on debian 11 to 1:3.00-6 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2018-6612

MEDIUM

5.5

CVSS v3

NVD

Description

An integer underflow bug in the process_EXIF function of the exif.c file of jhead 3.00 raises a heap-based buffer over-read when processing a malicious JPEG file, which may allow a remote attacker to cause a denial-of-service attack or unspecified other impact.

CWE-125Out-of-bounds Read CWE-191

How to fix

Remediation Available

jheadDebian

Fixed in:1:3.00-6CVE-2018-6612

jheadUbuntu

Fixed in:1:2.97-1+deb8u2ubuntu0.1~esm4USN-6113-1

Fixed in:1:3.00-4+deb9u1ubuntu0.1~esm4USN-6113-1

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

Exploit Intelligence

1.14%probability of exploitation in 30 days

63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Third-Party Advisory2

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	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 2024-11-21.