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CVE-2017-18234

24
FAUCET Score

CVE-2017-18234 is a high-severity vulnerability in Exempi versions prior to 2.4.3, affecting various Linux distributions including Canonical and Debian. It involves an invalid memcpy leading to a use-after-free condition, triggered by specially crafted PDF files containing JPEG data. This can result in a denial of service or potentially other unspecified impacts. While the CVSS score is 7.8 (High), indicating high impact on confidentiality, integrity, and availability, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.4.3CPE matchmatch criteria
cpe:2.3:a:exempi_project:exempi:*:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
17.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.68%
Probability of exploitation in next 30 days
EPSS Percentile
74.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0168 is in the 73rd percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: exempi-0:2.2.0-9.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: exempi

Vendor Advisories (1)

redhatCVE-2017-18234Low

exempi: Use after free via a PDF file containing JPEG data

Mar 25, 2017

References

access.redhat.com / errata/RHSA-2019:2048
bugs.freedesktop.org / show_bug.cgi
ExploitIssue TrackingThird Party Advisory
cgit.freedesktop.org / exempi/commit
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2018/03/msg00013.html
Mailing ListThird Party Advisory
usn.ubuntu.com / 3668-1
Third Party Advisory