Medium severity6.5NVD Advisory· Published Dec 31, 2020· Updated Jun 17, 2026
CVE-2019-20808
CVE-2019-20808
Description
In QEMU 4.1.0, an out-of-bounds read flaw was found in the ATI VGA implementation. It occurs in the ati_cursor_define() routine 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.
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Affected products
3- QEMU/QEMUdescription
Patches
Vulnerability mechanics
References
3- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
- security.netapp.com/advisory/ntap-20210205-0003/nvdThird Party Advisory
- git.qemu.orgnvd
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