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Fencer Vulns
critical 9.8

CVE-2018-11531 json

Exiv2 0.26 has a heap-based buffer overflow in getData in preview.cpp.

published 2018-05-29 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-0055

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

Exiv2 0.26 has a heap-based buffer overflow in getData in preview.cpp.

Patch / fix

  • exiv2 Debian 14, Debian 13, Debian 12 0.25-4

debian advisories DEBIAN-CVE-2018-11531

  • exiv2 Ubuntu 14.04 LTS 0.23-1ubuntu2.1
  • exiv2 Ubuntu 16.04 LTS 0.25-2.1ubuntu16.04.2
  • exiv2 Ubuntu 18.04 LTS 0.25-3.1ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2018-11531

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

  • exiv2 SLES for SAP 15 SP2, SLES for SAP 15 SP1, SLES for SAP 15 +18 more 0.26-150000.6.26.1
  • exiv2-0_26 SLE Module for Desktop Applications 15 SP4, openSUSE Leap 15.4 0.26-150400.9.21.1
  • exiv2 SLES 12 SP4, SLES 12 SP3, SLED 12 SP4 +5 more 0.23-12.5.1

suse advisories SUSE-SU-2022:4276-1SUSE-SU-2022:4208-1SUSE-SU-2018:3882-2SUSE-SU-2018:3882-1

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-2018-11531 updated cvss 3.3

exiv2: heap-based buffer overflow in getData in preview.cpp

  • Red Hat Enterprise Linux 6 exiv2, exiv2-libs Red Hat Enterprise Linux 7 exiv2, exiv2-libs Red Hat Enterprise Linux 8 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

2.86% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/Exiv2/exiv2/issues/283 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/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.