CVE-2020-36331 is an out-of-bounds read vulnerability in the ChunkAssignData function of libwebp versions prior to 1.0.1, impacting products from Apple, Debian, NetApp, Red Hat, and webmproject. This critical vulnerability (CVSS 9.1) is remotely exploitable with low attack complexity, posing a significant threat to data confidentiality and service availability. While no active exploitation, Metasploit, or Nuclei exploits are publicly available, there is some community discussion and media coverage, including an article from Threatpost. The vulnerability is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.1CPE matchmatch criteria | cpe:2.3:a:webmproject:libwebp:*:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
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.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function ChunkAssignData. The highest threat from this vulnerability is to data confidentiality and to the service availability.
May 11, 2021libwebp: out-of-bounds read in ChunkAssignData() in mux/muxinternal.c
Feb 25, 2021