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Fencer Vulns
medium 6.5

CVE-2018-18915 json

There is an infinite loop in the Exiv2::Image::printIFDStructure function of image.cpp in Exiv2 0.27-RC1.

published 2018-11-03 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-0065

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

There is an infinite loop in the Exiv2::Image::printIFDStructure function of image.cpp in Exiv2 0.27-RC1. A crafted input will lead to a remote denial of service attack.

Patch / fix

  • exiv2 RHEL 8 0.27.2-5.el8
  • gegl RHEL 8 0.2.0-39.el8
  • libgexiv2 RHEL 8 0.10.8-4.el8
  • exiv2-libs RHEL 8 0.27.2-5.el8
  • gnome-color-manager RHEL 8 3.28.0-3.el8
  • exiv2 RHEL 7 0.27.0-2.el7_6
  • exiv2-libs RHEL 7 0.27.0-2.el7_6

red hat advisories RHSA-2020:1577RHSA-2019:2101

  • exiv2 SLES for SAP 15 SP2, SLES for SAP 15 SP1, SLES for SAP 15 +20 more 0.26-150000.6.16.1

suse advisories SUSE-SU-2022:3598-1

  • gegl AlmaLinux 8 0.2.0-39.el8
  • libgexiv2 AlmaLinux 8 0.10.8-4.el8
  • gnome-color-manager AlmaLinux 8 3.28.0-3.el8

almalinux advisories ALSA-2020:1577

  • exiv2 Rocky Linux 8 0.27.2-5.el8
  • gegl Rocky Linux 8 0.2.0-39.el8
  • libgexiv2 Rocky Linux 8 0.10.8-4.el8
  • gnome-color-manager Rocky Linux 8 3.28.0-3.el8

rocky linux advisories RLSA-2020:1577

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-2018-18915 updated cvss 3.3

exiv2: infinite loop in Exiv2::Image::printIFDStructure function in image.cpp

  • Red Hat CodeReady Linux Builder (v. 8) exiv2 0.27.2-5.el8, libgexiv2 0.10.8-4.el8, exiv2-libs 0.27.2-5.el8 Red Hat Enterprise Linux AppStream (v. 8) gegl 0.2.0-39.el8, exiv2 0.27.2-5.el8, libgexiv2 0.10.8-4.el8, exiv2-libs 0.27.2-5.el8, gnome-color-manager 3.28.0-3.el8
    fixed: vendor fix RHSA-2020:1577
  • Red Hat Enterprise Linux Client (v. 7) exiv2 0.27.0-2.el7_6, exiv2-libs 0.27.0-2.el7_6 Red Hat Enterprise Linux Client Optional (v. 7) exiv2-doc 0.27.0-2.el7_6, exiv2-devel 0.27.0-2.el7_6, exiv2-debuginfo 0.27.0-2.el7_6 Red Hat Enterprise Linux ComputeNode (v. 7) exiv2 0.27.0-2.el7_6, exiv2-libs 0.27.0-2.el7_6 Red Hat Enterprise Linux ComputeNode Optional (v. 7) exiv2-doc 0.27.0-2.el7_6, exiv2-devel 0.27.0-2.el7_6, exiv2-debuginfo 0.27.0-2.el7_6 Red Hat Enterprise Linux Server (v. 7) exiv2 0.27.0-2.el7_6, exiv2-libs 0.27.0-2.el7_6 Red Hat Enterprise Linux Server Optional (v. 7) exiv2-doc 0.27.0-2.el7_6, exiv2-devel 0.27.0-2.el7_6, exiv2-debuginfo 0.27.0-2.el7_6
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 7) exiv2 0.27.0-2.el7_6, exiv2-libs 0.27.0-2.el7_6 Red Hat Enterprise Linux Workstation Optional (v. 7) exiv2-doc 0.27.0-2.el7_6, exiv2-devel 0.27.0-2.el7_6, exiv2-debuginfo 0.27.0-2.el7_6
    fixed: vendor fix RHSA-2019:2101
  • Red Hat Enterprise Linux 6 exiv2, exiv2-libs
    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

1.84% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/Exiv2/exiv2/issues/511 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-835 Loop with Unreachable Exit Condition

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.