CVE-2018-14046

Exiv2 0.26 has a heap-based buffer over-read in WebPImage::decodeChunks in webpimage.cpp.

8.8 High

Exiv2 0.26 has a heap-based buffer over-read in WebPImage::decodeChunks in webpimage.cpp.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.69%Up 1.0 points since Apr 14, 2021

What each source reports

NVD Score used 8.8

Exiv2 0.26 has a heap-based buffer over-read in WebPImage::decodeChunks in webpimage.cpp.

Record: CVE-2018-14046
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-125
Updated: 2026-11-02

CVE List No score

Exiv2 0.26 has a heap-based buffer over-read in WebPImage::decodeChunks in webpimage.cpp.

Record: CVE-2018-14046
Updated: 2026-11-02

EUVDEUVD-2018-0058 No score

Exiv2 0.26 has a heap-based buffer over-read in WebPImage::decodeChunks in webpimage.cpp.

Record: EUVD-2018-0058
Updated: 2026-11-03

GitHub AdvisoriesGHSA-48r6-v3wx-gxm5 8.8

Exiv2 0.26 has a heap-based buffer over-read in WebPImage::decodeChunks in webpimage.cpp.

Exiv2 0.26 has a heap-based buffer over-read in WebPImage::decodeChunks in webpimage.cpp.

Record: GHSA-48r6-v3wx-gxm5
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-125
Updated: 2026-11-02

OSV 8.8

Exiv2 0.26 has a heap-based buffer over-read in WebPImage::decodeChunks in webpimage.cpp.

Record: CVE-2018-14046
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVPYSEC-2018-133 8.8

Exiv2 0.26 has a heap-based buffer over-read in WebPImage::decodeChunks in webpimage.cpp.

Record: PYSEC-2018-133
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2019:2101 5.3

Red Hat Security Advisory: exiv2 security, bug fix, and enhancement update

Record: RHSA-2019:2101
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

Affected products

exiv2

Affected packages

Affected packages
Package	Affected	Fixed
`exiv2` Red Hat:enterprise_linux:7::client From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2-debuginfo` Red Hat:enterprise_linux:7::client From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2-libs` Red Hat:enterprise_linux:7::client From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2-devel` Red Hat:enterprise_linux:7::client From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2-doc` Red Hat:enterprise_linux:7::client From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2` Red Hat:enterprise_linux:7::computenode From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2-debuginfo` Red Hat:enterprise_linux:7::computenode From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2-libs` Red Hat:enterprise_linux:7::computenode From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2-devel` Red Hat:enterprise_linux:7::computenode From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2-doc` Red Hat:enterprise_linux:7::computenode From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6

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Affected packages
Package	Affected	Fixed
`exiv2` Red Hat:enterprise_linux:7::server From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2-debuginfo` Red Hat:enterprise_linux:7::server From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2-libs` Red Hat:enterprise_linux:7::server From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2-devel` Red Hat:enterprise_linux:7::server From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2-doc` Red Hat:enterprise_linux:7::server From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2` Red Hat:enterprise_linux:7::workstation From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2-debuginfo` Red Hat:enterprise_linux:7::workstation From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2-libs` Red Hat:enterprise_linux:7::workstation From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2-devel` Red Hat:enterprise_linux:7::workstation From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6
`exiv2-doc` Red Hat:enterprise_linux:7::workstation From an advisory covering 25 CVEs	before 0:0.27.0-2.el7_6	0:0.27.0-2.el7_6

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	affected
Nov 3, 2026	affected, aliases, references	EUVD
Nov 2, 2026	first indexed	OSV
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-14046 is a high vulnerability (CVSS 8.8) in Exiv2, published July 13, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.69%, the 77th percentile. No source names a fixed version.

References

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