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Fencer Vulns
high 7.8

CVE-2017-18234 json

An issue was discovered in Exempi before 2.4.3.

published 2018-03-15 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-9366

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

An issue was discovered in Exempi before 2.4.3. It allows remote attackers to cause a denial of service (invalid memcpy with resultant use-after-free) or possibly have unspecified other impact via a .pdf file containing JPEG data, related to XMPFiles/source/FormatSupport/ReconcileTIFF.cpp, XMPFiles/source/FormatSupport/TIFF_MemoryReader.cpp, and XMPFiles/source/FormatSupport/TIFF_Support.hpp.

Patch / fix

  • exempi_project exempi 2.4.3
  • exempi Debian 14, Debian 13, Debian 12 2.4.3-1

debian advisories DEBIAN-CVE-2017-18234

  • exempi Ubuntu 14.04 LTS 2.2.1-1ubuntu1.1
  • exempi Ubuntu 16.04 LTS 2.2.2-2ubuntu0.1

ubuntu advisories UBUNTU-CVE-2017-18234

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • exempi RHEL 7 2.2.0-9.el7

red hat advisories RHSA-2019:2048

  • exempi SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +1 more 2.2.1-5.7.1
  • exempi SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 2.0.2-4.5.1

suse advisories SUSE-SU-2018:3389-1SUSE-SU-2018:2067-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-18234 updated cvss 3.3

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

  • Red Hat Enterprise Linux 6 exempi
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) exempi 2.2.0-9.el7 Red Hat Enterprise Linux Client Optional (v. 7) exempi-devel 2.2.0-9.el7, exempi-debuginfo 2.2.0-9.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) exempi 2.2.0-9.el7 Red Hat Enterprise Linux Server (v. 7) exempi 2.2.0-9.el7 Red Hat Enterprise Linux Server Optional (v. 7) exempi-devel 2.2.0-9.el7, exempi-debuginfo 2.2.0-9.el7 Red Hat Enterprise Linux Workstation (v. 7) exempi 2.2.0-9.el7
    +1 more products
    Red Hat Enterprise Linux Workstation Optional (v. 7) exempi-devel 2.2.0-9.el7, exempi-debuginfo 2.2.0-9.el7
    fixed: vendor fix RHSA-2019:2048
  • Red Hat Enterprise Linux 8 exempi
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.65% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugs.freedesktop.org https://bugs.freedesktop.org/show_bug.cgi?id=100397 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.