What’s Vulnerable › Vulnerabilities

CVE-2020-13765

• Severity: medium (CVSS 5.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-06-04 · updated 2026-06-17
• Weakness: CWE-787

Description

rom_copy() in hw/core/loader.c in QEMU 4.0 and 4.1.0 does not validate the relationship between two addresses, which allows attackers to trigger an invalid memory copy operation.

Affected products

• Canonical Ubuntu Linux: 16.04, 18.04, 20.04
• Debian Linux: 8.0, 9.0
• QEMU: 4.0.0, 4.1.0

References

• https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e423455c4f23a1a828901c78fe6d03b7dde79319
• https://github.com/qemu/qemu/commit/4f1c6cb2f9afafda05eab150fd2bd284edce6676
• https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html
• https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
• https://security.netapp.com/advisory/ntap-20200619-0006/
• https://usn.ubuntu.com/4467-1/
• https://www.openwall.com/lists/oss-security/2020/06/03/6
• https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e423455c4f23a1a828901c78fe6d03b7dde79319
• https://github.com/qemu/qemu/commit/4f1c6cb2f9afafda05eab150fd2bd284edce6676
• https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html
• https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
• https://security.netapp.com/advisory/ntap-20200619-0006/

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