CVE-2023-1999
Use after free in libwebp
- State
- Published
- Severity
- 5.3 Medium
- Published
- Jun 20, 2023
- Updated
- Feb 13, 2025
- Reserved
- Apr 12, 2023
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
Weaknesses
- CWE-416 Use After Free
Affected Products
| Product | Versions |
|---|---|
libwebpChromium |
|
References
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