CVE-2020-10756
MEDIUM6.5EPSS 0.03%qemu - security update
Published: 7/9/2020Modified: 4/28/2026
Also known as:DEBIAN-CVE-2020-10756
Description
An out-of-bounds read vulnerability was found in the SLiRP networking implementation of the QEMU emulator. This flaw occurs in the icmp6_send_echoreply() routine while replying to an ICMP echo request, also known as ping. This flaw allows a malicious guest to leak the contents of the host memory, resulting in possible information disclosure. This flaw affects versions of libslirp before 4.3.1.
Affected packages (4)
- Debian/libslirpfrom 0, < 4.3.1-1
- Debian/qemufrom 0, < 1:4.1-2
- Debian/qemufrom 0, < 1:3.1+dfsg-8+deb10u6
- Debian/slirp4netnsfrom 0, < 1.0.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |