Race condition in the worker_update_monitors_config function in SPICE 0.12.4 allows a remote authenticated guest user to cause a denial of s
Race condition in the worker_update_monitors_config function in SPICE 0.12.4 allows a remote authenticated guest user to cause a denial of service (heap-based memory corruption and QEMU-KVM crash) or possibly execute arbitrary code on the host via unspecified vectors.
- Published
- Sep 8, 2015
- Updated
- Jun 16, 2026
- EPSS
- 1.1% · 65th percentile
- CWE
- CWE-119
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Report tools
Action score
27
Monitor
Low priority for now.
- CVSS
- 27 / 40 · 6.9 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.1%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| spice project | spice | cpe:2.3:a:spice_project:spice |
| redhat | enterprise linux | cpe:2.3:o:redhat:enterprise_linux |
| redhat | enterprise linux desktop | cpe:2.3:o:redhat:enterprise_linux_desktop |
| redhat | enterprise linux hpc node | cpe:2.3:o:redhat:enterprise_linux_hpc_node |
| redhat | enterprise linux server | cpe:2.3:o:redhat:enterprise_linux_server |
| redhat | enterprise linux workstation | cpe:2.3:o:redhat:enterprise_linux_workstation |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- redhat enterprise linux6.0
- redhat enterprise linux7.0
- redhat enterprise linux desktop6.0
- redhat enterprise linux desktop7.0
- redhat enterprise linux hpc node6
- redhat enterprise linux hpc node7.0
- redhat enterprise linux server6.0
- redhat enterprise linux server7.0
- redhat enterprise linux workstation6.0
- redhat enterprise linux workstation7.0
- spice project spice0.12.4
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | spice | before 0.12.5-1.2 | 0.12.5-1.2 |
| Debian:8 | spice | before 0.12.5-1+deb8u1 | 0.12.5-1+deb8u1 |
| openSUSE:Tumbleweed | spice | before 0.12.8-2.1 | 0.12.8-2.1 |
| Red Hat:enterprise_linux:6::client | spice-server | before 0:0.12.4-12.el6_7.1 | 0:0.12.4-12.el6_7.1 |
| Red Hat:enterprise_linux:6::client | spice-server-debuginfo | before 0:0.12.4-12.el6_7.1 | 0:0.12.4-12.el6_7.1 |
| Red Hat:enterprise_linux:6::client | spice-server-devel | before 0:0.12.4-12.el6_7.1 | 0:0.12.4-12.el6_7.1 |
| Red Hat:enterprise_linux:6::hypervisor | rhev-hypervisor6 | before 0:6.7-20150828.0.el6ev | 0:6.7-20150828.0.el6ev |
| Red Hat:enterprise_linux:6::hypervisor | rhev-hypervisor7 | before 0:7.1-20150827.1.el6ev | 0:7.1-20150827.1.el6ev |
| Red Hat:enterprise_linux:7::client | spice | before 0:0.12.4-9.el7_1.1 | 0:0.12.4-9.el7_1.1 |
| Red Hat:enterprise_linux:7::client | spice-debuginfo | before 0:0.12.4-9.el7_1.1 | 0:0.12.4-9.el7_1.1 |
| Red Hat:enterprise_linux:7::client | spice-server | before 0:0.12.4-9.el7_1.1 | 0:0.12.4-9.el7_1.1 |
| Red Hat:enterprise_linux:7::client | spice-server-devel | before 0:0.12.4-9.el7_1.1 | 0:0.12.4-9.el7_1.1 |
| Red Hat:enterprise_linux:7::hypervisor | rhev-hypervisor7 | before 0:7.1-20150827.1.el7ev | 0:7.1-20150827.1.el7ev |
| SUSE:Linux Enterprise Desktop 12 | spice | before 0.12.4-8.5.1 | 0.12.4-8.5.1 |
| SUSE:Linux Enterprise Software Development Kit 11 SP4 | spice | before 0.12.4-5.1 | 0.12.4-5.1 |
Same product
spice project: all recordsOther highest-scoring records for the same primary product.
- CVE-2018-10893Multiple integer overflow and buffer overflow issues were discovered in spice-client's handling of LZ compressed frames.36Monitor
- CVE-2018-10873A vulnerability was discovered in SPICE before version 0.14.1 where the generated code used for demarshalling messages lacked sufficient bou36Monitor
- CVE-2016-9577A vulnerability was discovered in SPICE before 0.13.90 in the server's protocol handling.36Monitor
- CVE-2017-7506spice versions though 0.13 are vulnerable to out-of-bounds memory access when processing specially crafted messages from authenticated attac36Monitor
- CVE-2016-9578A vulnerability was discovered in SPICE before 0.13.90 in the server's protocol handling.31Monitor
- CVE-2019-3813Spice, versions 0.5.2 through 0.14.1, are vulnerable to an out-of-bounds read due to an off-by-one error in memslot_get_virt.30Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:spice | 0.12.5-1.2 · Debian:12 | Package registry (OSV) |
| opensuse:spice | 0.12.8-2.1 · openSUSE:Tumbleweed | Package registry (OSV) |
| red hat:rhev-hypervisor6 | 0:6.7-20150828.0.el6ev · Red Hat:enterprise_linux:6::hypervisor | Package registry (OSV) |
| red hat:rhev-hypervisor7 | 0:7.1-20150827.1.el6ev · Red Hat:enterprise_linux:6::hypervisor | Package registry (OSV) |
| red hat:spice | 0:0.12.4-9.el7_1.1 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:spice-debuginfo | 0:0.12.4-9.el7_1.1 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:spice-server | 0:0.12.4-9.el7_1.1 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:spice-server-debuginfo | 0:0.12.4-12.el6_7.1 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:spice-server-devel | 0:0.12.4-9.el7_1.1 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| suse:spice | 0.12.4-8.5.1 · SUSE:Linux Enterprise Desktop 12 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
If successful
- Confidentiality
- C · data can be read
- Integrity
- C · data or configuration can be modified
- Availability
- C · the service can be disrupted
- Attack complexity
- M
- Confidentiality impact
- C
- Integrity impact
- C
- Availability impact
- C
Weakness class (CWE)
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory BufferCVSS vector
AV:L/AC:M/Au:N/C:C/I:C/A:C
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Overflow BuffersCAPEC-100likelihood: High · Very High
- Buffer ManipulationCAPEC-123likelihood: High · Very High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
- Filter Failure through Buffer OverflowCAPEC-24likelihood: High · High
- MIME ConversionCAPEC-42likelihood: High · High
- Overflow Binary Resource FileCAPEC-44likelihood: High · Very High
- Buffer Overflow via Symbolic LinksCAPEC-45likelihood: High · High
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- lists.freedesktop.org/archives/spice-devel/2015-October/022191.html
- lists.opensuse.org/opensuse-updates/2015-09/msg00018.html
- rhn.redhat.com/errata/RHSA-2015-1713.html
- rhn.redhat.com/errata/RHSA-2015-1714.html
- rhn.redhat.com/errata/RHSA-2015-1715.html
- www.debian.org/security/2015/dsa-3354
- www.securitytracker.com/id/1033459
- www.securitytracker.com/id/1033460
- www.securitytracker.com/id/1033753
- www.ubuntu.com/usn/USN-2736-1
Vendor advisories and official records. Exploit/PoC links are deliberately left out.