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CVE-2018-4868

20
FAUCET Score

CVE-2018-4868 describes a denial-of-service vulnerability in Exiv2 version 0.26, specifically within the Exiv2::Jp2Image::readMetadata function in jp2image.cpp. This flaw allows remote attackers to trigger excessive memory allocation by providing a specially crafted file. Rated as Medium severity with a CVSS v3 score of 5.5, it requires user interaction (UI:R) and local access (AV:L) to achieve a high impact on availability (A:H). There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
0.26CPE matchmatch criteria
cpe:2.3:a:exiv2:exiv2:0.26:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
1.60%
Probability of exploitation in next 30 days
EPSS Percentile
73.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0160 is in the 84th percentile among its peer group of 5,760 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 (5)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: exiv2-0:0.27.0-2.el7_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: exiv2-0:0.27.2-5.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: gegl-0:0.2.0-39.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: gnome-color-manager-0:3.28.0-3.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libgexiv2-0:0.10.8-4.el8
View patch

Vendor Advisories (1)

redhatCVE-2018-4868Low

exiv2: Excessive memory allocation in Exiv2::Jp2Image::readMetadata function in jp2image.cpp

Feb 1, 2018

References

github.com / Exiv2/exiv2/issues/202
ExploitIssue TrackingThird Party Advisory
securityfocus.com / bid/102477
Third Party AdvisoryVDB Entry