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CVE-2018-25014

31
FAUCET Score

CVE-2018-25014 is a critical use of uninitialized value vulnerability (CWE-908) in libwebp versions prior to 1.0.1, impacting products like Red Hat Enterprise Linux and WebMProject libwebp. With a CVSS score of 9.8, it allows unauthenticated attackers to achieve high confidentiality, integrity, and availability impacts over the network with low attack complexity. Despite its critical severity and high FAUCET Risk Score of 79/100, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in CISA's KEV catalog. Community discussion and media coverage are minimal, with only one mention and one article, respectively.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.1CPE matchmatch criteria
cpe:2.3:a:webmproject:libwebp:*:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.23%
Probability of exploitation in next 30 days
EPSS Percentile
80.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0223 is in the 70th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

microsoftpatch availablevia msrc
Product: 16967-16820Fixed in: 1.0.3-1
microsoftpatch availablevia msrc
Product: cm1 libwebp 1.0.3-1 on CBL Mariner 1.0Fixed in: 1.0.3-1
redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtimageformats-0:5.9.7-2.el7_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libwebp-0:1.0.0-5.el8
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libwebp

Vendor Advisories (2)

microsoft2021-May/CVE-2018-25014Critical

A use of uninitialized value was found in libwebp in versions before 1.0.1 in ReadSymbol().

May 11, 2021
redhatCVE-2018-25014Moderate

libwebp: use of uninitialized value in ReadSymbol()

Aug 20, 2018

References

bugs.chromium.org / p/oss-fuzz/issues/detail
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
chromium.googlesource.com / webm/libwebp/+log/78ad57a36ad69a9c22874b182d49d64125c380f2..907208f97ead639bd52
Third Party Advisory