qemu: vnc: insufficient bits_per_pixel from the client sanitization
Published Nov 14, 2014
5.0
MEDIUMCVSS 2.0
EPSS 3.74%
Description
The set_pixel_format function in ui/vnc.c in QEMU allows remote attackers to cause a denial of service (crash) via a small bytes_per_pixel value.
Affected products
No data.
Configuration 2
- 7.0
Configuration 3
- 7.0
- 7.3
- 7.4
- 7.5
- 7.6
- 7.7
- 7.0
- 7.3
- 7.4
- 7.6
- 7.7
- 7.0
Configuration 4
- 3.0
Running on/with
- 7.0
Configuration 5
- 10.04
- 12.04
- 14.04
- 14.10
Configuration 6
- 12
- 12
No data.
RHEV 3.X Hypervisor and Agents for RHEL-7
qemu-kvm-rhev-10:2.1.2-23.el7
Fixed · RHSA-2015:0624
Red Hat Enterprise Linux 7
qemu-kvm-10:1.5.3-86.el7
Fixed · RHSA-2015:0349
Red Hat Enterprise Linux 5
kvm
Not affected
Red Hat Enterprise Linux 6
qemu-kvm
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| RHEV 3.X Hypervisor and Agents for RHEL-7 | qemu-kvm-rhev-10:2.1.2-23.el7 | Fixed | RHSA-2015:0624 |
| Red Hat Enterprise Linux 7 | qemu-kvm-10:1.5.3-86.el7 | Fixed | RHSA-2015:0349 |
| Red Hat Enterprise Linux 5 | kvm | Not affected | n/a |
| Red Hat Enterprise Linux 6 | qemu-kvm | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the kvm package as shipped with Red Hat Enterprise Linux 5. Future qemu-kvm updates for Red Hat Enterprise Linux 6 and 7 may address this issue.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/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 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.74% (0.03742) | 89.51th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.74% (0.03742) | 88.41th | v5 (v2026.06.15) |
| May 13, 2026 | 3.85% (0.03847) | 88.30th | v4 (v2025.03.14) |
| Dec 28, 2025 | 5.23% (0.05232) | 89.62th | v4 (v2025.03.14) |
| Dec 27, 2025 | 3.85% (0.03847) | 87.88th | v4 (v2025.03.14) |
| Oct 28, 2025 | 5.23% (0.05232) | 89.48th | v4 (v2025.03.14) |
| Oct 27, 2025 | 3.85% (0.03847) | 87.71th | v4 (v2025.03.14) |
| Oct 1, 2025 | 5.23% (0.05232) | 89.57th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.85% (0.03847) | 87.41th | v4 (v2025.03.14) |
| Dec 17, 2024 | 46.79% (0.46795) | 97.52th | v3 (v2023.03.01) |
| Sep 26, 2024 | 74.94% (0.74938) | 98.19th | v3 (v2023.03.01) |
| Aug 10, 2024 | 82.16% (0.82162) | 98.45th | v3 (v2023.03.01) |
| Jun 26, 2024 | 86.40% (0.86403) | 98.62th | v3 (v2023.03.01) |
| May 10, 2024 | 88.77% (0.88771) | 98.69th | v3 (v2023.03.01) |
| Mar 7, 2023 | 89.07% (0.89069) | 98.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Feb 13, 2023 | 2.17% (0.02172) | 80.28th | v2 (v2022.01.01) |
| Feb 3, 2023 | 3.78% (0.03779) | 85.12th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
References (15)
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e6908bfe8e07f2b452e78e677da1b45b1c0f6829 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00019.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0349.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0624.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://secunia.com/advisories/61484 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/62143 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/62144 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://support.citrix.com/article/CTX200892 x_refsource_CONFIRMThird Party Advisory
- http://www.debian.org/security/2014/dsa-3066 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.debian.org/security/2014/dsa-3067 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.ubuntu.com/usn/USN-2409-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2014-7815 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1157641 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2014-7815
- https://www.cve.org/CVERecord?id=CVE-2014-7815
Change history (0)
No recorded changes yet.