VulnerabilityModified
CVE-2018-11806
m_cat in slirp/mbuf.c in Qemu has a heap-based buffer overflow via incoming fragmented datagrams.
HIGH 8.2EPSS 0.81%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
m_cat in slirp/mbuf.c in Qemu has a heap-based buffer overflow via incoming fragmented datagrams.
- CVSS 3.1
- 8.2 HIGHCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.81% probability · 57th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- qemu/qemu · canonical/ubuntu linux · redhat/openstack · redhat/enterprise linux desktop · redhat/enterprise linux eus · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server tus · redhat/enterprise linux workstation · redhat/virtualization · debian/debian linux
- Source
- cve@mitre.org
EPSS 0.8% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.openwall.com/lists/oss-security/2018/06/07/1Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/104400Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2462Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2762Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2822Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2887Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2892Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1586245Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00010.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-06/msg01012.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/May/76Mailing List, Third Party Advisory
- https://usn.ubuntu.com/3826-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4454Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-18-567/Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2018/06/07/1Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/104400Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2462Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2762Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2822Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2887Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2892Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1586245Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00010.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-06/msg01012.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/May/76Mailing List, Third Party Advisory
- https://usn.ubuntu.com/3826-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4454Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-18-567/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.