tigervnc: Heap buffer overflow triggered from CopyRectDecoder due to incorrect value checks
Published Dec 26, 2019
7.2
HIGHCVSS 3.1
EPSS 4.77%
Description
TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow. Vulnerability could be triggered from CopyRectDecoder due to incorrect value checks. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
Affected products
-
- Version 1.10.0StatusaffectedConstraints-
- Version
No data.
Red Hat Enterprise Linux 7
tigervnc-0:1.8.0-21.el7
Fixed · RHSA-2020:3875
Red Hat Enterprise Linux 8
tigervnc-0:1.9.0-14.el8_1
Fixed · RHSA-2020:1497
Red Hat Enterprise Linux 6
tigervnc
Out of support scope
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | tigervnc-0:1.8.0-21.el7 | Fixed | RHSA-2020:3875 |
| Red Hat Enterprise Linux 8 | tigervnc-0:1.9.0-14.el8_1 | Fixed | RHSA-2020:1497 |
| Red Hat Enterprise Linux 6 | tigervnc | Out of support scope | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/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 3, 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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 4.77% (0.04773) | 91.65th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.77% (0.04773) | 90.73th | v5 (v2026.06.15) |
| Nov 21, 2025 | 5.29% (0.05295) | 89.57th | v4 (v2025.03.14) |
| Nov 18, 2025 | 8.30% (0.08298) | 91.38th | v4 (v2025.03.14) |
| Aug 13, 2025 | 5.22% (0.05218) | 89.55th | v4 (v2025.03.14) |
| Jun 19, 2025 | 9.07% (0.09068) | 92.22th | v4 (v2025.03.14) |
| Mar 30, 2025 | 7.81% (0.07807) | 91.16th | v4 (v2025.03.14) |
| Mar 29, 2025 | 17.69% (0.17688) | 91.93th | v4 (v2025.03.14) |
| Mar 17, 2025 | 7.81% (0.07807) | 91.36th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.28% (0.00280) | 69.24th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.28% (0.00280) | 67.49th | v3 (v2023.03.01) |
| May 8, 2023 | 0.28% (0.00280) | 63.59th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.27% (0.00269) | 62.64th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.57% (0.04571) | 88.92th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.57% (0.04571) | 87.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 52.14% (0.52138) | 98.35th | v2 (v2022.01.01) |
| Feb 3, 2022 | 9.47% (0.09469) | 87.07th | v1 |
| Jan 6, 2022 | 9.47% (0.09469) | 86.91th | v1 |
| Sep 1, 2021 | 2.28% (0.02278) | 78.03th | v1 |
| Apr 14, 2021 | 2.28% (0.02278) | 0.00th | v1 |
References (8)
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2019-15692 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1789527 Issue Tracking
- https://github.com/CendioOssman/tigervnc/commit/996356b6c65ca165ee1ea46a571c32a1dc3c3821 x_refsource_MISCPatchThird Party Advisory
- https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1 x_refsource_MISCRelease NotesThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2019-15692
- https://www.cve.org/CVERecord?id=CVE-2019-15692
- https://www.openwall.com/lists/oss-security/2019/12/20/2 mailing-listx_refsource_MLISTExploitMailing ListThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2019-15692 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1789527 | Issue Tracking | |
| https://github.com/CendioOssman/tigervnc/commit/996356b6c65ca165ee1ea46a571c32a1dc3c3821 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1 | x_refsource_MISCRelease NotesThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-15692 | ||
| https://www.cve.org/CVERecord?id=CVE-2019-15692 | ||
| https://www.openwall.com/lists/oss-security/2019/12/20/2 | mailing-listx_refsource_MLISTExploitMailing ListThird Party Advisory |
Change history (0)
No recorded changes yet.