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CVE-2023-1999

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CVE-2023-1999

Published: Jun 20, 2023

Modified: Feb 13, 2025

PUBLISHED

CVSS v3.1

5.3

MEDIUM

Description

There exists a use after free/double free in libwebp. An attacker can use the ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will then return 0 because of an Out of memory error in VP8 encoder, the pointer is still assigned to trial and the AddressSanitizer will attempt a double free.

VendorProductVersions

Chromium

libwebp

affected
0.4.2 - < 1.3.1
affected
0.4.2 - < 1.3.0-8-ga486d800

Weaknesses (CWE)

CWE-416

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

References

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