CVE-2018-7858

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-125

Affected software

No affected versions have been published.

Timeline

Published
Mar 12, 2018
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2018

CVE-2018-78596.1A security vulnerability in D-Link DGS-1510-series switches with firmware 1.20.011, 1.30.007, 1.31.B003 and older that may allow a remote atCVE-2018-78666.5A NULL pointer dereference was discovered in newVar3 in util/decompile.c in libming 0.4.8. The vulnerability causes a segmentation fault andCVE-2018-78676.5There is a heap-based buffer overflow in the getString function of util/decompile.c in libming 0.4.8 during a RegisterNumber sprintf. A CrafCVE-2018-78686.5There is a heap-based buffer over-read in the getName function of util/decompile.c in libming 0.4.8 for CONSTANT8 data. A Crafted input willCVE-2018-78697.5There is a memory leak triggered in the function dcinit of util/decompile.c in libming 0.4.8, which will lead to a denial of service attack.CVE-2018-78706.5An invalid memory address dereference was discovered in getString in util/decompile.c in libming 0.4.8 for CONSTANT16 data. The vulnerabilitCVE-2018-78718.8There is a heap-based buffer over-read in the getName function of util/decompile.c in libming 0.4.8 for CONSTANT16 data. A crafted input wilCVE-2018-78726.5An invalid memory address dereference was discovered in the function getName in libming 0.4.8 for CONSTANT16 data. The vulnerability causes CVE-2018-78736.5There is a heap-based buffer overflow in the getString function of util/decompile.c in libming 0.4.8 for INTEGER data. A Crafted input will CVE-2018-78746.5An invalid memory address dereference was discovered in strlenext in util/decompile.c in libming 0.4.8. The vulnerability causes a segmentatCVE-2018-78756.5There is a heap-based buffer over-read in the getString function of util/decompile.c in libming 0.4.8 for CONSTANT8 data. A Crafted input wiCVE-2018-78766.5In libming 0.4.8, a memory exhaustion vulnerability was found in the function parseSWF_ACTIONRECORD in util/parser.c, which allows remote at
CVE-2018-7858: Medium severity, CVSS 5.5 | Vulnix