QEMU: ne2000: integer overflow leads to buffer overflow issue
Published Oct 16, 2018
6.5
MEDIUMCVSS 3.0
EPSS 3.08%
Description
Qemu emulator <= 3.0.0 built with the NE2000 NIC emulation support is vulnerable to an integer overflow, which could lead to buffer overflow issue. It could occur when receiving packets over the network. A user inside guest could use this flaw to crash the Qemu process resulting in DoS.
Affected products
-
- Version <= 3.0.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| The QEMU Project | Qemu-kvm | n/a |
|
Configuration 2
- 14.04
- 16.04
- 18.04
- 18.10
Configuration 3
- 8.0
- 9.0
No data.
Red Hat Enterprise Linux 6
qemu-kvm-2:0.12.1.2-2.506.el6_10.5
Fixed · RHSA-2019:2892
Red Hat Enterprise Linux 5
kvm
Not affected
Red Hat Enterprise Linux 5
xen
Not affected
Red Hat Enterprise Linux 7
qemu-kvm
Will not fix
Red Hat Enterprise Linux 7
qemu-kvm-ma
Not affected
Red Hat Enterprise Linux 7
qemu-kvm-rhev
Will not fix
Red Hat Enterprise Linux 8
qemu-kvm
Not affected
Red Hat OpenStack Platform 10 (Newton)
qemu-kvm-rhev
Will not fix
Red Hat OpenStack Platform 12 (Pike)
qemu-kvm-rhev
Affected
Red Hat OpenStack Platform 13 (Queens)
qemu-kvm-rhev
Will not fix
Red Hat OpenStack Platform 14 (Rocky)
qemu-kvm-rhev
Affected
Red Hat OpenStack Platform 8 (Liberty)
qemu-kvm-rhev
Will not fix
Red Hat OpenStack Platform 9 (Mitaka)
qemu-kvm-rhev
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | qemu-kvm-2:0.12.1.2-2.506.el6_10.5 | Fixed | RHSA-2019:2892 |
| Red Hat Enterprise Linux 5 | kvm | Not affected | n/a |
| Red Hat Enterprise Linux 5 | xen | Not affected | n/a |
| Red Hat Enterprise Linux 7 | qemu-kvm | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | qemu-kvm-ma | Not affected | n/a |
| Red Hat Enterprise Linux 7 | qemu-kvm-rhev | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | qemu-kvm | Not affected | n/a |
| Red Hat OpenStack Platform 10 (Newton) | qemu-kvm-rhev | Will not fix | n/a |
| Red Hat OpenStack Platform 12 (Pike) | qemu-kvm-rhev | Affected | n/a |
| Red Hat OpenStack Platform 13 (Queens) | qemu-kvm-rhev | Will not fix | n/a |
| Red Hat OpenStack Platform 14 (Rocky) | qemu-kvm-rhev | Affected | n/a |
| Red Hat OpenStack Platform 8 (Liberty) | qemu-kvm-rhev | Will not fix | n/a |
| Red Hat OpenStack Platform 9 (Mitaka) | qemu-kvm-rhev | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
AV:N/AC:L/Au:S/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (25 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.08% (0.03082) | 87.24th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.17% (0.03168) | 86.31th | v5 (v2026.06.15) |
| Nov 21, 2025 | 1.75% (0.01755) | 82.01th | v4 (v2025.03.14) |
| Nov 18, 2025 | 3.50% (0.03499) | 86.40th | v4 (v2025.03.14) |
| Aug 20, 2025 | 1.08% (0.01076) | 76.88th | v4 (v2025.03.14) |
| May 21, 2025 | 2.31% (0.02311) | 83.94th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.10% (0.01097) | 76.46th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.26% (0.00258) | 66.04th | v3 (v2023.03.01) |
| Jun 4, 2024 | 0.37% (0.00366) | 72.47th | v3 (v2023.03.01) |
| May 11, 2024 | 0.40% (0.00397) | 73.37th | v3 (v2023.03.01) |
| Mar 8, 2024 | 0.28% (0.00280) | 67.73th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.29% (0.00290) | 68.14th | v3 (v2023.03.01) |
| Oct 10, 2023 | 0.29% (0.00290) | 65.39th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.26% (0.00262) | 62.77th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.28% (0.00283) | 63.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.03% (0.01034) | 41.16th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.28% (0.01282) | 67.60th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.66% (0.01659) | 34.20th | v1 |
| Jan 6, 2022 | 1.66% (0.01659) | 33.50th | v1 |
| Sep 1, 2021 | 1.66% (0.01659) | 73.96th | v1 |
| Apr 14, 2021 | 1.66% (0.01659) | 0.00th | v1 |
References (11)
- https://access.redhat.com/errata/RHSA-2019:2892 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2018-10839 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1581013 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10839 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html mailing-listx_refsource_MLISTThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03273.html mailing-listx_refsource_MLISTExploitMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-10839
- https://usn.ubuntu.com/3826-1/ vendor-advisoryx_refsource_UBUNTUPatchVendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-10839
- https://www.debian.org/security/2018/dsa-4338 vendor-advisoryx_refsource_DEBIANVendor Advisory
- https://www.openwall.com/lists/oss-security/2018/10/08/1 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2019:2892 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2018-10839 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1581013 | Issue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10839 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html | mailing-listx_refsource_MLISTThird Party Advisory | |
| https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03273.html | mailing-listx_refsource_MLISTExploitMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-10839 | ||
| https://usn.ubuntu.com/3826-1/ | vendor-advisoryx_refsource_UBUNTUPatchVendor Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-10839 | ||
| https://www.debian.org/security/2018/dsa-4338 | vendor-advisoryx_refsource_DEBIANVendor Advisory | |
| https://www.openwall.com/lists/oss-security/2018/10/08/1 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory |
Change history (0)
No recorded changes yet.