CVE-2016-9923

Quick Emulator (Qemu) built with the 'chardev' backend support is vulnerable to a use after free issue. It could occur while hotplug and unplugging the device in the guest. A guest user/process could use this flaw to crash a Qemu process on the host resulting in DoS.

• CWE-416

• http://www.openwall.com/lists/oss-security/2016/12/09/2Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/94827Third Party Advisory, VDB Entry
• https://security.gentoo.org/glsa/201701-49Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/12/09/2Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/94827Third Party Advisory, VDB Entry
• https://security.gentoo.org/glsa/201701-49Third Party Advisory

Published

Dec 23, 2016

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2016-9917In BlueZ 5.42, a buffer overflow was observed in "read_n" fu…7.5
• CVE-2016-9918In BlueZ 5.42, an out-of-bounds read was identified in "pack…
• CVE-2016-9919The icmp6_send function in net/ipv6/icmp.c in the Linux kern…7.5
• CVE-2016-9920steps/mail/sendmail.inc in Roundcube before 1.1.7 and 1.2.x …
• CVE-2016-9921Quick emulator (Qemu) built with the Cirrus CLGD 54xx VGA Em…6.5
• CVE-2016-9922The cirrus_do_copy function in hw/display/cirrus_vga.c in QE…5.5
• CVE-2016-9924Zimbra Collaboration Suite (ZCS) before 8.7.4 allows remote …
• CVE-2016-9928MCabber before 1.0.4 is vulnerable to roster push attacks, w…7.4
• CVE-2016-9932CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 system…
• CVE-2016-9933Stack consumption vulnerability in the gdImageFillToBorder f…
• CVE-2016-9934ext/wddx/wddx.c in PHP before 5.6.28 and 7.x before 7.0.13 a…
• CVE-2016-9935The php_wddx_push_element function in ext/wddx/wddx.c in PHP…