CVE-2020-36330

CRITICAL EPSS 80.5%
Published May 21, 20215y ago · Modified Jun 17, 20262w ago
9.1 CVSS 3.1
Critical
Find Similar
Published May 21, 2021 5y ago
Last Modified Jun 17, 2026 2w ago

Description

A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function ChunkVerifyAndAssign. The highest threat from this vulnerability is to data confidentiality and to the service availability.

CVSS Details

Base Score
9.1
Exploitability
3.9
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
80.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-125 Out-of-bounds Read Memory Safety

Affected Products 7

VendorProductVersionRange
webmprojectlibwebp* <1.0.1
debiandebian_linux9.0any
debiandebian_linux10.0any
redhatenterprise_linux8.0any
netappontap_select_deploy_administration_utility*any
appleipados* <14.7
appleiphone_os* <14.7

References 7

  • seclists.org http://seclists.org/fulldisclosure/2021/Jul/54
    Mailing ListThird Party Advisory
  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=1956853
    Issue TrackingPatchThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2021/06/msg00005.html
    Mailing ListThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2021/06/msg00006.html
    Mailing ListThird Party Advisory
  • security.netapp.com https://security.netapp.com/advisory/ntap-20211104-0004/
    Third Party Advisory
  • support.apple.com https://support.apple.com/kb/HT212601
    Not Applicable
  • debian.org https://www.debian.org/security/2021/dsa-4930
    Third Party Advisory

Remediation

  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=1956853
    Issue TrackingPatchThird Party Advisory