CVE-2023-1999

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-416 CWE-415

Affected software

No affected versions have been published.

Timeline

Published: Jun 20, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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