libXtst: Insufficient validation of server responses result in various data mishandlings
Published Dec 13, 2016
7.5
HIGHCVSS 3.0
EPSS 2.29%
Description
X.org libXtst before 1.2.3 allows remote X servers to cause a denial of service (infinite loop) via a reply in the (1) XRecordStartOfData, (2) XRecordEndOfData, or (3) XRecordClientDied category without a client sequence and with attached data.
Affected products
No data.
Configuration 1
- 24
- 25
No data.
Red Hat Enterprise Linux 5
libXtst
Will not fix
Red Hat Enterprise Linux 6
libXtst
Will not fix
Red Hat Enterprise Linux 7
libXtst
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | libXtst | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | libXtst | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | libXtst | Will not fix | n/a |
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:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.29% (0.02289) | 82.59th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.31% (0.02308) | 81.05th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.86% (0.00860) | 73.43th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.98% (0.00983) | 84.13th | v3 (v2023.03.01) |
| Nov 16, 2023 | 0.98% (0.00983) | 81.74th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.92% (0.00923) | 81.10th | v3 (v2023.03.01) |
| Oct 4, 2023 | 1.08% (0.01084) | 82.64th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.05% (0.01051) | 81.74th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | v2 (v2022.01.01) |
| Oct 19, 2022 | 1.18% (0.01183) | 60.79th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.18% (0.01183) | 58.77th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.18% (0.01183) | 35.15th | v2 (v2022.01.01) |
References (12)
- http://www.openwall.com/lists/oss-security/2016/10/04/2 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2016/10/04/4 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/93375 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1036945 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2016-7952 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1381922 Issue Tracking
- https://cgit.freedesktop.org/xorg/lib/libXtst/commit/?id=9556ad67af3129ec4a7a4f4b54a0d59701beeae3 x_refsource_CONFIRM
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AFLHX7WNEUXXDAGR324T35L5P6RRR7GE/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVEUZRHYY3AJEKMFQ4DS7DX3Y2AICFP7/ vendor-advisoryx_refsource_FEDORA
- https://lists.x.org/archives/xorg-announce/2016-October/002720.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2016-7952
- https://www.cve.org/CVERecord?id=CVE-2016-7952
Change history (0)
No recorded changes yet.