tigervnc: Buffer overflow in ModifiablePixelBuffer::fillRect
Published Feb 28, 2017
9.8
CRITICALCVSS 3.0
EPSS 4.25%
Description
Buffer overflow in the ModifiablePixelBuffer::fillRect function in TigerVNC before 1.7.1 allows remote servers to execute arbitrary code via an RRE message with subrectangle outside framebuffer boundaries.
Affected products
No data.
No data.
Red Hat Enterprise Linux 6
tigervnc-0:1.1.0-24.el6
Fixed · RHSA-2017:0630
Red Hat Enterprise Linux 7
fltk-0:1.3.4-1.el7
Fixed · RHSA-2017:2000
Red Hat Enterprise Linux 7
tigervnc-0:1.8.0-1.el7
Fixed · RHSA-2017:2000
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | tigervnc-0:1.1.0-24.el6 | Fixed | RHSA-2017:0630 |
| Red Hat Enterprise Linux 7 | fltk-0:1.3.4-1.el7 | Fixed | RHSA-2017:2000 |
| Red Hat Enterprise Linux 7 | tigervnc-0:1.8.0-1.el7 | Fixed | RHSA-2017:2000 |
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:N/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
AV:N/AC:M/Au:N/C:P/I:P/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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.25% (0.04247) | 90.73th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.25% (0.04247) | 89.73th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.54% (0.02543) | 84.09th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.58% (0.06576) | 84.84th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.83% (0.02835) | 85.26th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.72% (0.02723) | 90.23th | v3 (v2023.03.01) |
| Apr 9, 2024 | 1.07% (0.01072) | 83.97th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.07% (0.01072) | 81.97th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.91% (0.03910) | 85.66th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.91% (0.03910) | 67.45th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.59% (0.03590) | 68.40th | v5 (v2026.06.15) |
| Apr 14, 2021 | 3.59% (0.03590) | 0.00th | v1 |
References (13)
- http://rhn.redhat.com/errata/RHSA-2017-0630.html vendor-advisoryx_refsource_REDHAT
- http://www.openwall.com/lists/oss-security/2017/01/22/1 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/25/6 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/95789 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:2000 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2017-5581 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1415712 Issue Tracking
- https://github.com/TigerVNC/tigervnc/commit/18c020124ff1b2441f714da2017f63dba50720ba x_refsource_CONFIRMPatchThird Party Advisory
- https://github.com/TigerVNC/tigervnc/pull/399 x_refsource_CONFIRMPatchThird Party Advisory
- https://github.com/TigerVNC/tigervnc/releases/tag/v1.7.1 x_refsource_CONFIRMRelease NotesThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-5581
- https://security.gentoo.org/glsa/201702-19 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2017-5581
Change history (0)
No recorded changes yet.