CVE-2023-1999
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- CVE-2023-1999
CVE Details
| Release Date: | 2023-06-20 | |
| Impact: | None | What is this? |
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.
See more information about CVE-2023-1999 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 7.5 |
| Vector String: | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Version: | 3.0 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (libwebp) | ELSA-2023-2077 | 2023-05-02 |
| Oracle Linux version 8 (libwebp) | ELSA-2023-2076 | 2023-05-02 |
| Oracle Linux version 9 (libwebp) | ELSA-2023-2078 | 2023-05-02 |
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