CVE-2020-36330

CRITICAL
9.1
CVSS Score
Published: May 21, 2021 at 04:19 PM UTC
Updated: June 17, 2026 at 03:15 AM UTC
6 products affected across 5 vendorsDebian LinuxiPhone OSEnterprise Linux

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Severity
CRITICAL9.1
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 14.7
Affected range stops below 14.7, so it looks safe — our inference, not a vendor statement
v < 14.7
Affected range stops below 14.7, so it looks safe — our inference, not a vendor statement
v < 1.0.11.0.1
Affected range stops below 1.0.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

Mailing Listx_refsource_FULLDISCThird Party Advisory
http://seclists.org/fulldisclosure/2021/Jul/54
x_refsource_MISCIssue TrackingPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1956853
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00005.html
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00006.html
x_refsource_CONFIRMNot Applicable
https://support.apple.com/kb/HT212601
Vendor Advisoryx_refsource_DEBIANThird Party Advisory
https://www.debian.org/security/2021/dsa-4930

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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