What’s Vulnerable › Vulnerabilities

CVE-2018-25011

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-21 · updated 2026-06-17
• Weakness: CWE-787

Description

A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in PutLE16().

Affected products

• Red Hat Enterprise Linux: 7.0, 8.0
• Chromium libwebp: before 1.0.1 — fixed in 1.0.1

How to fix

Upgrade to a fixed version: Chromium libwebp 1.0.1. Check the vendor advisory for mitigations.

References

• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9119
• https://bugzilla.redhat.com/show_bug.cgi?id=1956919
• https://chromium.googlesource.com/webm/libwebp/+/v1.0.1
• https://chromium.googlesource.com/webm/libwebp/+log/be738c6d396fa5a272c1b209be4379a7532debfe..29fb8562c60b5a919a75d904ff7366af423f8ab9?pretty=fuller&n=10000
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9119
• https://bugzilla.redhat.com/show_bug.cgi?id=1956919
• https://chromium.googlesource.com/webm/libwebp/+/v1.0.1
• https://chromium.googlesource.com/webm/libwebp/+log/be738c6d396fa5a272c1b209be4379a7532debfe..29fb8562c60b5a919a75d904ff7366af423f8ab9?pretty=fuller&n=10000

Get alerted when CVE-2018-25011 or the next vulnerability affects your stack