CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
97.9%
A heap-based buffer flaw was found in the way libwebp, a library used to process “WebP” image format data, processes certain specially formatted WebP images. An attacker could use this flaw to crash or execute remotely arbitrary code in an application such as a web browser compiled with this library.
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
bugzilla.redhat.com/show_bug.cgi?id=2238431
chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_12.html
nvd.nist.gov/vuln/detail/CVE-2023-4863
stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/
www.cisa.gov/known-exploited-vulnerabilities-catalog
www.cve.org/CVERecord?id=CVE-2023-4863
www.mozilla.org/en-US/security/advisories/mfsa2023-40/