CVE-2020-11102

Name: CVE-2020-11102
Creator: NVD / NIST
Published: 2020-04-06T16:15:13.347+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.6/10EPSS 1.92%

Last modified Jun 17, 2026

CVE-2020-11102 is a medium-severity vulnerability rated 5.6/10 on the CVSS scale. hw/net/tulip.c in QEMU 4.2.0 has a buffer overflow during the copying of tx/rx buffers because the frame size is not validated against the r/w data length.. EPSS estimates a 1.92% chance of exploitation in the next 30 days.

Description

hw/net/tulip.c in QEMU 4.2.0 has a buffer overflow during the copying of tx/rx buffers because the frame size is not validated against the r/w data length.

Metrics

CVSS 3.1

5.6/10

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

EPSS Probability

1.92%

77.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Qemu	Qemu	4.2.0

References

http://www.openwall.com/lists/oss-security/2020/04/06/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/06/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/06/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/06/1Mailing List, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2020-03/msg08322.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/202005-02
http://www.openwall.com/lists/oss-security/2020/04/06/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/06/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/06/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/06/1Mailing List, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2020-03/msg08322.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/202005-02

Timeline

Published: Apr 6, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11102?

hw/net/tulip.c in QEMU 4.2.0 has a buffer overflow during the copying of tx/rx buffers because the frame size is not validated against the r/w data length.

How severe is CVE-2020-11102?

CVE-2020-11102 has a CVSS score of 5.6/10 (MEDIUM severity). The EPSS model estimates a 1.92% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11102?

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-2020-11102?

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

Scan your code now

Source: NVD / NIST