php: Out-of-bound read in timelib_meridian()
Published Nov 7, 2017
7.5
HIGHCVSS 3.0
EPSS 26.37%
Description
In PHP before 5.6.32, 7.x before 7.0.25, and 7.1.x before 7.1.11, an error in the date extension's timelib_meridian handling of 'front of' and 'back of' directives could be used by attackers able to supply date strings to leak information from the interpreter, related to ext/date/lib/parse_date.c out-of-bounds reads affecting the php_parse_date function. NOTE: this is a different issue than CVE-2017-11145.
Affected products
No data.
Configuration 1
Configuration 2
- 8.0
- 9.0
Configuration 3
- 14.04
Configuration 4
- n/a
- n/a
No data.
Red Hat Software Collections for Red Hat Enterprise Linux 6
rh-php70-php-0:7.0.27-1.el6
Fixed · RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
rh-php70-php-0:7.0.27-1.el6
Fixed · RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux 7
rh-php70-php-0:7.0.27-1.el7
Fixed · RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux 7
rh-php71-php-0:7.1.30-1.el7
Fixed · RHSA-2019:2519
Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS
rh-php70-php-0:7.0.27-1.el7
Fixed · RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS
rh-php70-php-0:7.0.27-1.el7
Fixed · RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS
rh-php71-php-0:7.1.30-1.el7
Fixed · RHSA-2019:2519
Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS
rh-php70-php-0:7.0.27-1.el7
Fixed · RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS
rh-php71-php-0:7.1.30-1.el7
Fixed · RHSA-2019:2519
Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS
rh-php71-php-0:7.1.30-1.el7
Fixed · RHSA-2019:2519
Red Hat Enterprise Linux 5
php
Will not fix
Red Hat Enterprise Linux 5
php53
Will not fix
Red Hat Enterprise Linux 6
php
Will not fix
Red Hat Enterprise Linux 7
php
Will not fix
Red Hat Software Collections
rh-php56-php
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux 6 | rh-php70-php-0:7.0.27-1.el6 | Fixed | RHSA-2018:1296 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS | rh-php70-php-0:7.0.27-1.el6 | Fixed | RHSA-2018:1296 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | rh-php70-php-0:7.0.27-1.el7 | Fixed | RHSA-2018:1296 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | rh-php71-php-0:7.1.30-1.el7 | Fixed | RHSA-2019:2519 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS | rh-php70-php-0:7.0.27-1.el7 | Fixed | RHSA-2018:1296 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS | rh-php70-php-0:7.0.27-1.el7 | Fixed | RHSA-2018:1296 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS | rh-php71-php-0:7.1.30-1.el7 | Fixed | RHSA-2019:2519 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS | rh-php70-php-0:7.0.27-1.el7 | Fixed | RHSA-2018:1296 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS | rh-php71-php-0:7.1.30-1.el7 | Fixed | RHSA-2019:2519 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS | rh-php71-php-0:7.1.30-1.el7 | Fixed | RHSA-2019:2519 |
| Red Hat Enterprise Linux 5 | php | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | php53 | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | php | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | php | Will not fix | n/a |
| Red Hat Software Collections | rh-php56-php | 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:H/I:N/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
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 2, 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 (57 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 26.37% (0.26373) | 97.95th | v5 (v2026.06.15) |
| Sep 22, 2026 | 26.37% (0.26373) | 97.91th | v5 (v2026.06.15) |
| Sep 21, 2026 | 21.17% (0.21166) | 97.52th | v5 (v2026.06.15) |
| Sep 6, 2026 | 26.37% (0.26373) | 97.87th | v5 (v2026.06.15) |
| Sep 5, 2026 | 21.17% (0.21166) | 97.47th | v5 (v2026.06.15) |
| Aug 30, 2026 | 26.37% (0.26373) | 97.85th | v5 (v2026.06.15) |
| Aug 28, 2026 | 21.17% (0.21166) | 97.46th | v5 (v2026.06.15) |
| Aug 24, 2026 | 26.37% (0.26373) | 97.84th | v5 (v2026.06.15) |
| Aug 23, 2026 | 21.17% (0.21166) | 97.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 26.37% (0.26373) | 97.74th | v5 (v2026.06.15) |
| Mar 4, 2026 | 8.26% (0.08257) | 92.07th | v4 (v2025.03.14) |
| Mar 1, 2026 | 11.24% (0.11240) | 93.40th | v4 (v2025.03.14) |
| Feb 4, 2026 | 8.37% (0.08366) | 92.08th | v4 (v2025.03.14) |
| Feb 1, 2026 | 10.77% (0.10771) | 93.19th | v4 (v2025.03.14) |
| Jan 4, 2026 | 8.37% (0.08366) | 92.01th | v4 (v2025.03.14) |
| Jan 1, 2026 | 10.77% (0.10771) | 93.15th | v4 (v2025.03.14) |
| Dec 28, 2025 | 8.37% (0.08366) | 91.99th | v4 (v2025.03.14) |
| Dec 27, 2025 | 6.22% (0.06222) | 90.61th | v4 (v2025.03.14) |
| Dec 4, 2025 | 8.37% (0.08366) | 91.95th | v4 (v2025.03.14) |
| Dec 1, 2025 | 10.77% (0.10771) | 93.09th | v4 (v2025.03.14) |
| Nov 4, 2025 | 8.37% (0.08366) | 91.90th | v4 (v2025.03.14) |
| Nov 1, 2025 | 10.77% (0.10771) | 93.05th | v4 (v2025.03.14) |
| Oct 28, 2025 | 8.37% (0.08366) | 91.89th | v4 (v2025.03.14) |
| Oct 27, 2025 | 6.22% (0.06222) | 90.49th | v4 (v2025.03.14) |
| Oct 4, 2025 | 8.37% (0.08366) | 91.94th | v4 (v2025.03.14) |
| Oct 1, 2025 | 10.77% (0.10771) | 93.10th | v4 (v2025.03.14) |
| Sep 4, 2025 | 5.79% (0.05794) | 90.18th | v4 (v2025.03.14) |
| Sep 1, 2025 | 7.54% (0.07538) | 91.49th | v4 (v2025.03.14) |
| Aug 4, 2025 | 5.72% (0.05716) | 90.08th | v4 (v2025.03.14) |
| Aug 1, 2025 | 10.33% (0.10333) | 92.93th | v4 (v2025.03.14) |
| Jul 30, 2025 | 5.72% (0.05716) | 90.07th | v4 (v2025.03.14) |
| Jul 4, 2025 | 7.70% (0.07704) | 91.47th | v4 (v2025.03.14) |
| Jul 1, 2025 | 13.64% (0.13636) | 93.95th | v4 (v2025.03.14) |
| Jun 21, 2025 | 7.70% (0.07704) | 91.46th | v4 (v2025.03.14) |
| Jun 4, 2025 | 13.48% (0.13480) | 93.82th | v4 (v2025.03.14) |
| Jun 1, 2025 | 15.55% (0.15555) | 94.36th | v4 (v2025.03.14) |
| May 30, 2025 | 13.48% (0.13480) | 93.81th | v4 (v2025.03.14) |
| May 4, 2025 | 4.64% (0.04644) | 88.67th | v4 (v2025.03.14) |
| May 1, 2025 | 6.63% (0.06633) | 90.71th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.64% (0.04644) | 88.28th | v4 (v2025.03.14) |
| Mar 29, 2025 | 7.65% (0.07648) | 86.19th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.64% (0.04644) | 88.57th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.65% (0.00646) | 79.98th | v3 (v2023.03.01) |
| May 3, 2024 | 0.65% (0.00646) | 79.16th | v3 (v2023.03.01) |
| Feb 11, 2024 | 0.78% (0.00777) | 80.78th | v3 (v2023.03.01) |
| Nov 23, 2023 | 0.79% (0.00793) | 79.61th | v3 (v2023.03.01) |
| Oct 18, 2023 | 0.98% (0.00981) | 81.72th | v3 (v2023.03.01) |
| May 8, 2023 | 0.77% (0.00767) | 78.56th | v3 (v2023.03.01) |
| Mar 31, 2023 | 1.09% (0.01090) | 82.20th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.55% (0.00549) | 73.95th | v3 (v2023.03.01) |
| Mar 6, 2023 | 18.33% (0.18327) | 96.32th | v2 (v2022.01.01) |
| Apr 1, 2022 | 18.33% (0.18327) | 95.99th | v2 (v2022.01.01) |
| Feb 4, 2022 | 18.33% (0.18327) | 93.57th | v2 (v2022.01.01) |
| Feb 3, 2022 | 11.74% (0.11741) | 88.45th | v1 |
| Jan 6, 2022 | 11.74% (0.11741) | 88.31th | v1 |
| Sep 1, 2021 | 11.74% (0.11741) | 95.65th | v1 |
| Apr 14, 2021 | 11.74% (0.11741) | 0.00th | v1 |
References (17)
- http://php.net/ChangeLog-5.php x_refsource_CONFIRMIssue TrackingRelease NotesVendor Advisory
- http://php.net/ChangeLog-7.php x_refsource_CONFIRMIssue TrackingRelease NotesVendor Advisory
- http://www.securityfocus.com/bid/101745 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:1296 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2519 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2017-16642 Vendor Advisory
- https://bugs.php.net/bug.php?id=75055 x_refsource_CONFIRMIssue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1512057 Issue Tracking
- https://github.com/derickr/timelib/commit/aa9156006e88565e1f1a5f7cc088b18322d57536 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://github.com/php/php-src/commit/5c0455bf2c8cd3c25401407f158e820aa3b239e1 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-16642
- https://security.netapp.com/advisory/ntap-20181123-0001/ x_refsource_CONFIRMThird Party Advisory
- https://usn.ubuntu.com/3566-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-16642
- https://www.debian.org/security/2018/dsa-4080 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.debian.org/security/2018/dsa-4081 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.exploit-db.com/exploits/43133/ exploitx_refsource_EXPLOIT-DBIssue TrackingThird Party AdvisoryVDB Entry
Change history (0)
No recorded changes yet.