tigervnc: NULL pointer dereference flaw in XRegion
Published Dec 14, 2016
9.8
CRITICALCVSS 3.0
EPSS 3.06%
Description
XRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer dereference) by leveraging failure to check a malloc return value, a similar issue to CVE-2014-6052.
Affected products
No data.
Configuration 2
- 7.0
- 7.0
- 7.0
- 7.0
No data.
Red Hat Enterprise Linux 7
tigervnc-0:1.3.1-3.el7
Fixed · RHSA-2015:2233
Red Hat Enterprise Linux 5
vnc
Will not fix
Red Hat Enterprise Linux 6
tigervnc
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | tigervnc-0:1.3.1-3.el7 | Fixed | RHSA-2015:2233 |
| Red Hat Enterprise Linux 5 | vnc | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | tigervnc | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affects the version of tigervnc as shipped with Red Hat Enterprise Linux 5 and 6. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates of Red Hat Enterprise Linux 5 and 6.
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
AV:N/AC:L/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.06% (0.03063) | 87.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.00% (0.03005) | 85.60th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.43% (0.00431) | 59.69th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.48% (0.01482) | 69.19th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.43% (0.00431) | 60.49th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.08% (0.01085) | 84.97th | v3 (v2023.03.01) |
| Apr 10, 2024 | 1.08% (0.01085) | 84.10th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.08% (0.01085) | 82.07th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
References (10)
- http://seclists.org/oss-sec/2014/q4/278 mailing-listx_refsource_MLISTMailing List
- http://seclists.org/oss-sec/2014/q4/300 mailing-listx_refsource_MLISTMailing List
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html x_refsource_CONFIRM
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/70390 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2014-8241 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1151312 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-8241
- https://rhn.redhat.com/errata/RHSA-2015-2233.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2014-8241
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/oss-sec/2014/q4/278 | mailing-listx_refsource_MLISTMailing List | |
| http://seclists.org/oss-sec/2014/q4/300 | mailing-listx_refsource_MLISTMailing List | |
| http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html | x_refsource_CONFIRM | |
| http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html | x_refsource_CONFIRM | |
| http://www.securityfocus.com/bid/70390 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2014-8241 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1151312 | x_refsource_CONFIRMIssue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-8241 | ||
| https://rhn.redhat.com/errata/RHSA-2015-2233.html | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2014-8241 |
Change history (0)
No recorded changes yet.