CVE-2015-7504

Heap-based buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU allows guest OS administrators to cause a denial of service (instance crash) or possibly execute arbitrary code via a series of packets in loopback mode.

• CWE-787

• http://rhn.redhat.com/errata/RHSA-2015-2694.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2015-2695.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2015-2696.htmlThird Party Advisory
• http://www.debian.org/security/2016/dsa-3469Third Party Advisory
• http://www.debian.org/security/2016/dsa-3470Third Party Advisory
• http://www.debian.org/security/2016/dsa-3471Third Party Advisory
• http://www.openwall.com/lists/oss-security/2015/11/30/2Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/78227Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1034268Third Party Advisory, VDB Entry
• http://xenbits.xen.org/xsa/advisory-162.htmlMitigation, Patch, Vendor Advisory
• https://lists.gnu.org/archive/html/qemu-devel/2015-11/msg06342.htmlMailing List, Patch, Third Party Advisory
• https://security.gentoo.org/glsa/201602-01Patch, Third Party Advisory, VDB Entry
• https://security.gentoo.org/glsa/201604-03Patch, Third Party Advisory, VDB Entry
• http://rhn.redhat.com/errata/RHSA-2015-2694.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2015-2695.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2015-2696.htmlThird Party Advisory
• http://www.debian.org/security/2016/dsa-3469Third Party Advisory
• http://www.debian.org/security/2016/dsa-3470Third Party Advisory
• http://www.debian.org/security/2016/dsa-3471Third Party Advisory
• http://www.openwall.com/lists/oss-security/2015/11/30/2Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/78227Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1034268Third Party Advisory, VDB Entry
• http://xenbits.xen.org/xsa/advisory-162.htmlMitigation, Patch, Vendor Advisory
• https://lists.gnu.org/archive/html/qemu-devel/2015-11/msg06342.htmlMailing List, Patch, Third Party Advisory
• https://security.gentoo.org/glsa/201602-01Patch, Third Party Advisory, VDB Entry
• https://security.gentoo.org/glsa/201604-03Patch, Third Party Advisory, VDB Entry

Published

Oct 16, 2017

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.
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