Vulnerability Database

309,130

Total vulnerabilities in the database

CVE-2023-1999

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.

  • Published: Jun 20, 2023
  • Updated: Nov 16, 2025
  • CVE: CVE-2023-1999
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.3
  • AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

CWEs:

Software From Fixed in
webmproject / libwebp 0.4.2 1.3.1