In Exiv2 0.26, there is an out-of-bounds read in Exiv2::Internal::binaryToString in image.cpp.

published 2018-03-30 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-20744

cvss: 8.1; 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

In Exiv2 0.26, there is an out-of-bounds read in Exiv2::Internal::binaryToString in image.cpp. It could result in denial of service or information disclosure.

Patch / fix

fixed in 1 distros 1 links 1

exiv2 exiv2 0.26

exiv2 Debian 14, Debian 13, Debian 12 0.27.2-6

debian advisories DEBIAN-CVE-2018-9144

github.com/Exiv2/exiv2/issues/254 advisory

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-2018-9144 updated 2026-11-07 cvss 3.3

exiv2: out-of-bounds read in Exiv2::Internal::binaryToString in image.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

1.85% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/Exiv2/exiv2/issues/254 referenced PoC, tagged "exploit" by a source, unverified
github.com https://github.com/xiaoqx/pocs/tree/master/exiv2 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	8.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
NVD	2.0	5.8	AV:N/AC:M/Au:N/C:P/I:N/A:P

Classification

Weakness

CWE-125 Out-of-bounds Read

References

github.com /Exiv2/exiv2/issues/254
exploit, issue-tracking, patch, third-party-advisory
github.com /xiaoqx/pocs/tree/master/exiv2
exploit, third-party-advisory
security.gentoo.org /glsa/201811-14
vendor-advisory, third-party-advisory

Sources

CVE List CVE-2018-9144
NVD CVE-2018-9144

Fencer Intel 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.

Summary