php: zend_strndup() NULL pointer dereference may cause DoS
Published Jan 18, 2012
5.0
MEDIUMCVSS 2.0
EPSS 11.77%
Description
PHP 5.3.8 does not always check the return value of the zend_strndup function, which might allow remote attackers to cause a denial of service (NULL pointer dereference and application crash) via crafted input to an application that performs strndup operations on untrusted string data, as demonstrated by the define function in zend_builtin_functions.c, and unspecified functions in ext/soap/php_sdl.c, ext/standard/syslog.c, ext/standard/browscap.c, ext/oci8/oci8.c, ext/com_dotnet/com_typeinfo.c, and main/php_open_temporary_file.c.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
php-0:5.1.6-39.el5_8
Fixed · RHSA-2012:1045
Red Hat Enterprise Linux 5
php53-0:5.3.3-13.el5_8
Fixed · RHSA-2012:1047
Red Hat Enterprise Linux 6
php-0:5.3.3-14.el6_3
Fixed · RHSA-2012:1046
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | php-0:5.1.6-39.el5_8 | Fixed | RHSA-2012:1045 |
| Red Hat Enterprise Linux 5 | php53-0:5.3.3-13.el5_8 | Fixed | RHSA-2012:1047 |
| Red Hat Enterprise Linux 6 | php-0:5.3.3-14.el6_3 | Fixed | RHSA-2012:1046 |
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.
No CVSS v3.0 score for this CVE.
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 (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 11.77% (0.11772) | 95.96th | v5 (v2026.06.15) |
| Jun 15, 2026 | 12.20% (0.12200) | 95.63th | v5 (v2026.06.15) |
| Dec 28, 2025 | 6.48% (0.06479) | 90.76th | v4 (v2025.03.14) |
| Dec 27, 2025 | 8.07% (0.08068) | 91.87th | v4 (v2025.03.14) |
| Oct 28, 2025 | 5.60% (0.05598) | 89.87th | v4 (v2025.03.14) |
| Oct 27, 2025 | 6.96% (0.06955) | 91.04th | v4 (v2025.03.14) |
| Oct 1, 2025 | 5.60% (0.05598) | 89.96th | v4 (v2025.03.14) |
| Sep 18, 2025 | 6.96% (0.06955) | 91.07th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.54% (0.04535) | 88.13th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.17% (0.08171) | 86.73th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.54% (0.04535) | 88.43th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.82% (0.03816) | 91.76th | v3 (v2023.03.01) |
| Dec 16, 2024 | 5.17% (0.05168) | 93.29th | v3 (v2023.03.01) |
| Feb 6, 2024 | 3.97% (0.03966) | 91.17th | v3 (v2023.03.01) |
| Jun 15, 2023 | 3.91% (0.03908) | 90.68th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.08% (0.04079) | 90.77th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
References (13)
- http://archives.neohapsis.com/archives/bugtraq/2012-01/0092.html mailing-listx_refsource_BUGTRAQExploit
- http://cxsecurity.com/research/103 x_refsource_MISCExploit
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041 vendor-advisoryx_refsource_HP
- http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00013.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00001.html vendor-advisoryx_refsource_SUSE
- http://marc.info/?l=bugtraq&m=134012830914727&w=2 vendor-advisoryx_refsource_HP
- http://secunia.com/advisories/48668 third-party-advisoryx_refsource_SECUNIA
- http://www.exploit-db.com/exploits/18370/ exploitx_refsource_EXPLOIT-DB
- https://access.redhat.com/security/cve/CVE-2011-4153 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=782943 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-4153
- https://www.cve.org/CVERecord?id=CVE-2011-4153
Change history (0)
No recorded changes yet.