CVE-2021-3594
LOW3.8EPSS 0.03%發布日:2021/6/15修改日:2026/4/28
描述
An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp_input() function and could occur while processing a udp packet that is smaller than the size of the 'udphdr' structure. This issue may lead to out-of-bounds read access or indirect host memory disclosure to the guest. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0.
受影響套件(2)
- Debian/libslirpfrom 0, < 4.4.0-1+deb11u2
- Debian/qemufrom 0, < 1:4.1-2
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |