HIGH
php: NULL pointer dereference due to mishandling of ldap_get_dn return value allows DoS via malicious LDAP server reply
Published Apr 29, 2018
7.5
HIGHCVSS 3.0
EPSS 8.51%
Description
An issue was discovered in PHP before 5.6.36, 7.0.x before 7.0.30, 7.1.x before 7.1.17, and 7.2.x before 7.2.5. ext/ldap/ldap.c allows remote LDAP servers to cause a denial of service (NULL pointer dereference and application crash) because of mishandling of the ldap_get_dn return value.
Affected products
No data.
Configuration 1
Configuration 2
OR
- 12.04
- 14.04
- 16.04
- 17.10
- 18.04
Configuration 3
OR
- 7.0
- 8.0
- 9.0
Configuration 4
- n/a
No data.
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 7.4 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-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 Enterprise Linux 8
php
Not affected
Red Hat Software Collections
rh-php70-php
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| 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 7.4 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-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 Enterprise Linux 8 | php | Not affected | n/a |
| Red Hat Software Collections | rh-php70-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.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
1 other source (Red Hat) ▾
5.9 MEDIUM Red Hat
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
8.51% 0.08506
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.08506
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 (62 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 8.51% (0.08506) | 94.89th | v5 (v2026.06.15) |
| Jun 15, 2026 | 8.79% (0.08787) | 94.48th | v5 (v2026.06.15) |
| Mar 4, 2026 | 52.70% (0.52703) | 97.89th | v4 (v2025.03.14) |
| Mar 1, 2026 | 14.31% (0.14307) | 94.30th | v4 (v2025.03.14) |
| Feb 25, 2026 | 52.70% (0.52703) | 97.88th | v4 (v2025.03.14) |
| Feb 4, 2026 | 51.09% (0.51085) | 97.79th | v4 (v2025.03.14) |
| Feb 1, 2026 | 13.42% (0.13424) | 94.04th | v4 (v2025.03.14) |
| Jan 4, 2026 | 51.09% (0.51085) | 97.76th | v4 (v2025.03.14) |
| Jan 1, 2026 | 13.42% (0.13424) | 94.01th | v4 (v2025.03.14) |
| Dec 28, 2025 | 51.09% (0.51085) | 97.75th | v4 (v2025.03.14) |
| Dec 27, 2025 | 37.16% (0.37155) | 97.04th | v4 (v2025.03.14) |
| Dec 4, 2025 | 51.09% (0.51085) | 97.73th | v4 (v2025.03.14) |
| Dec 1, 2025 | 13.42% (0.13424) | 93.96th | v4 (v2025.03.14) |
| Nov 4, 2025 | 51.09% (0.51085) | 97.72th | v4 (v2025.03.14) |
| Nov 1, 2025 | 13.42% (0.13424) | 93.94th | v4 (v2025.03.14) |
| Oct 28, 2025 | 51.09% (0.51085) | 97.71th | v4 (v2025.03.14) |
| Oct 27, 2025 | 37.16% (0.37155) | 96.99th | v4 (v2025.03.14) |
| Oct 25, 2025 | 51.09% (0.51085) | 97.71th | v4 (v2025.03.14) |
| Oct 15, 2025 | 59.96% (0.59963) | 98.15th | v4 (v2025.03.14) |
| Oct 4, 2025 | 65.47% (0.65467) | 98.42th | v4 (v2025.03.14) |
| Oct 1, 2025 | 25.66% (0.25665) | 96.08th | v4 (v2025.03.14) |
| Sep 5, 2025 | 54.40% (0.54396) | 97.95th | v4 (v2025.03.14) |
| Sep 1, 2025 | 15.29% (0.15285) | 94.40th | v4 (v2025.03.14) |
| Aug 4, 2025 | 54.40% (0.54396) | 97.91th | v4 (v2025.03.14) |
| Aug 1, 2025 | 15.29% (0.15285) | 94.37th | v4 (v2025.03.14) |
| Jul 30, 2025 | 54.40% (0.54396) | 97.91th | v4 (v2025.03.14) |
| Jul 4, 2025 | 65.47% (0.65467) | 98.38th | v4 (v2025.03.14) |
| Jul 1, 2025 | 25.66% (0.25665) | 96.00th | v4 (v2025.03.14) |
| Jun 21, 2025 | 65.47% (0.65467) | 98.37th | v4 (v2025.03.14) |
| Jun 6, 2025 | 72.11% (0.72108) | 98.65th | v4 (v2025.03.14) |
| Jun 4, 2025 | 50.21% (0.50208) | 97.67th | v4 (v2025.03.14) |
| Jun 1, 2025 | 15.81% (0.15809) | 94.42th | v4 (v2025.03.14) |
| May 30, 2025 | 50.21% (0.50208) | 97.67th | v4 (v2025.03.14) |
| May 4, 2025 | 42.78% (0.42781) | 97.28th | v4 (v2025.03.14) |
| May 1, 2025 | 19.97% (0.19970) | 95.14th | v4 (v2025.03.14) |
| Apr 14, 2025 | 42.78% (0.42781) | 97.23th | v4 (v2025.03.14) |
| Apr 13, 2025 | 19.97% (0.19970) | 95.01th | v4 (v2025.03.14) |
| Mar 31, 2025 | 42.78% (0.42781) | 97.20th | v4 (v2025.03.14) |
| Mar 30, 2025 | 19.97% (0.19970) | 94.99th | v4 (v2025.03.14) |
| Mar 29, 2025 | 25.24% (0.25236) | 93.86th | v4 (v2025.03.14) |
| Mar 22, 2025 | 43.14% (0.43136) | 97.24th | v4 (v2025.03.14) |
| Mar 21, 2025 | 20.22% (0.20220) | 95.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 43.14% (0.43136) | 97.19th | v4 (v2025.03.14) |
| Feb 17, 2025 | 72.64% (0.72635) | 98.33th | v3 (v2023.03.01) |
| Dec 17, 2024 | 80.08% (0.80079) | 98.54th | v3 (v2023.03.01) |
| Dec 12, 2024 | 90.07% (0.90066) | 98.94th | v3 (v2023.03.01) |
| Aug 2, 2024 | 90.69% (0.90687) | 98.88th | v3 (v2023.03.01) |
| Feb 12, 2024 | 92.10% (0.92096) | 98.85th | v3 (v2023.03.01) |
| Nov 23, 2023 | 93.25% (0.93248) | 98.83th | v3 (v2023.03.01) |
| Oct 30, 2023 | 93.89% (0.93895) | 98.88th | v3 (v2023.03.01) |
| Sep 20, 2023 | 93.80% (0.93803) | 98.81th | v3 (v2023.03.01) |
| Jul 8, 2023 | 94.53% (0.94535) | 98.86th | v3 (v2023.03.01) |
| May 8, 2023 | 93.08% (0.93081) | 98.54th | v3 (v2023.03.01) |
| Apr 23, 2023 | 94.53% (0.94535) | 98.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 95.16% (0.95155) | 98.84th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.06% (0.04057) | 73.92th | v1 |
| Jan 6, 2022 | 4.06% (0.04057) | 73.70th | v1 |
| Sep 1, 2021 | 4.06% (0.04057) | 83.25th | v1 |
| Apr 14, 2021 | 4.06% (0.04057) | 0.00th | v1 |
Weaknesses (1)
References (19)
- http://php.net/ChangeLog-5.php x_refsource_CONFIRMPatchVendor Advisory
- http://php.net/ChangeLog-7.php x_refsource_CONFIRMPatchVendor Advisory
- http://www.securityfocus.com/bid/104019 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040807 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:2519 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2018-10548 Vendor Advisory
- https://bugs.php.net/bug.php?id=76248 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1573805 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2018/05/msg00004.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/06/msg00005.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-10548
- https://security.gentoo.org/glsa/201812-01 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://security.netapp.com/advisory/ntap-20180607-0003/ x_refsource_CONFIRMThird Party Advisory
- https://usn.ubuntu.com/3646-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3646-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-10548
- https://www.debian.org/security/2018/dsa-4240 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.tenable.com/security/tns-2018-12 x_refsource_CONFIRMThird Party Advisory
- https://www.tenable.com/security/tns-2019-07 x_refsource_CONFIRM
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 29, 2018
Updated Aug 5, 2024
Reserved Apr 29, 2018
Link CVE-2018-10548
CISA Vulnrichment
Updated n/a