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Fencer Vulns
medium 6.5

CVE-2018-17230 json

Exiv2::ul2Data in types.cpp in Exiv2 v0.26 allows remote attackers to cause a denial of service (heap-based buffer overflow) via a crafted…

published 2018-09-19 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-0062

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

Exiv2::ul2Data in types.cpp in Exiv2 v0.26 allows remote attackers to cause a denial of service (heap-based buffer overflow) via a crafted image file.

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

red hat advisories RHSA-2020:1577

  • exiv2 SLE Module for Desktop Applications 15 SP1 0.26-6.8.1

suse advisories SUSE-SU-2020:0921-1

  • exiv2 openSUSE Tumbleweed 0.27.5-4.1
  • exiv2 openSUSE Leap 15.1 0.26-lp151.7.3.1

opensuse advisories openSUSE-SU-2024:12399-1openSUSE-SU-2020:0482-1

  • 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-2018-17230 updated cvss 3.3

exiv2: heap-based buffer overflow in Exiv2::ul2Data in types.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 6 exiv2, exiv2-libs Red Hat Enterprise Linux 7 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

1.90% 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/455 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

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.