CVE-2023-1999
HIGH7.5EPSS 0.35%libwebp - security update
發布日:2023/6/20修改日:2026/4/28
描述
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.
受影響套件(6)
- Alpine/libwebpfrom 0, < 1.2.2-r1
- Debian/firefox-esrfrom 0, < 102.10.0esr-1~deb11u1
- Debian/libwebpfrom 0, < 0.6.1-2.1+deb11u1
- Debian/libwebpfrom 0, < 0.6.1-2+deb10u2
- Debian/libwebpfrom 0, < 0.6.1-2.1+deb11u1
- Debian/thunderbirdfrom 0, < 1:102.10.0-1~deb11u1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |