libXfont: Insufficient input validation in pcfread.c
Published Oct 11, 2017
7.1
HIGHCVSS 3.0
EPSS 0.40%
Description
In the pcfGetProperties function in bitmap/pcfread.c in libXfont through 1.5.2 and 2.x before 2.0.2, a missing boundary check (for PCF files) could be used by local attackers authenticated to an Xserver for a buffer over-read, for information disclosure or a crash of the X server.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
libXfont
Will not fix
Red Hat Enterprise Linux 6
libXfont
Will not fix
Red Hat Enterprise Linux 7
libXfont
Will not fix
Red Hat Enterprise Linux 7
libXfont2
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | libXfont | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | libXfont | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | libXfont | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | libXfont2 | 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:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
AV:L/AC:L/Au:N/C:P/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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.40% (0.00396) | 31.34th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.40% (0.00396) | 33.59th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00042) | 5.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.78% (0.00777) | 21.08th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.78% (0.00777) | 0.00th | v1 |
References (9)
- http://www.debian.org/security/2017/dsa-3995 vendor-advisoryx_refsource_DEBIAN
- https://access.redhat.com/security/cve/CVE-2017-13722 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1500693 x_refsource_CONFIRMIssue Tracking
- https://bugzilla.suse.com/show_bug.cgi?id=1049692 x_refsource_CONFIRMIssue Tracking
- https://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=672bb944311392e2415b39c0d63b1e1902905bcd x_refsource_CONFIRMPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-13722
- https://security.gentoo.org/glsa/201711-08 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2017-13722
- https://www.x.org/releases/individual/lib/libXfont2-2.0.2.tar.bz2 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2017/dsa-3995 | vendor-advisoryx_refsource_DEBIAN | |
| https://access.redhat.com/security/cve/CVE-2017-13722 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1500693 | x_refsource_CONFIRMIssue Tracking | |
| https://bugzilla.suse.com/show_bug.cgi?id=1049692 | x_refsource_CONFIRMIssue Tracking | |
| https://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=672bb944311392e2415b39c0d63b1e1902905bcd | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-13722 | ||
| https://security.gentoo.org/glsa/201711-08 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2017-13722 | ||
| https://www.x.org/releases/individual/lib/libXfont2-2.0.2.tar.bz2 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.