CVE-2020-11869

Name: CVE-2020-11869
Creator: NVD / NIST
Published: 2020-04-27T19:15:12.603+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2020-11869 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati-2d.c while handling MMIO write operations through the ati_mm_write() callback. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati-2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.

Metrics

CVSS 3.1

3.3/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS Probability

0.40%

31.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

Affected Software

Vendor	Product	Versions
Qemu	Qemu	>= 4.0.1, <= 4.2.0

References

http://www.openwall.com/lists/oss-security/2020/04/24/2Mailing List, Patch, Third Party Advisory
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ac2071c3791b67fc7af78b8ceb320c01ca1b5df7
https://usn.ubuntu.com/4372-1/
http://www.openwall.com/lists/oss-security/2020/04/24/2Mailing List, Patch, Third Party Advisory
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ac2071c3791b67fc7af78b8ceb320c01ca1b5df7
https://usn.ubuntu.com/4372-1/

Timeline

Published: Apr 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11869?

How severe is CVE-2020-11869?

CVE-2020-11869 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11869?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-11869?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST