php: strtotime timezone memory leak
Published Feb 14, 2012
5.0
MEDIUMCVSS 2.0
EPSS 7.97%
Description
Memory leak in the timezone functionality in PHP before 5.3.9 allows remote attackers to cause a denial of service (memory consumption) by triggering many strtotime function calls, which are not properly handled by the php_date_parse_tzfile cache.
Affected products
No data.
- ≤ 5.3.8
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.1
- 5.0.2
- 5.0.3
- 5.0.4
- 5.0.5
- 5.1.1
- 5.1.2
- 5.1.3
- 5.1.4
- 5.1.5
- 5.1.6
- 5.2.0
- 5.2.1
- 5.2.2
- 5.2.3
- 5.2.4
- 5.2.5
- 5.2.6
- 5.2.7
- 5.2.8
- 5.2.9
- 5.2.10
- 5.2.11
- 5.2.12
- 5.2.14
- 5.2.15
- 5.2.16
- 5.2.17
- 5.3.0
- 5.3.1
- 5.3.2
- 5.3.3
- 5.3.4
- 5.3.5
- 5.3.6
- 5.3.7
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
Red Hat Enterprise Linux 4
php
Will not fix
| 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 |
| Red Hat Enterprise Linux 4 | 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.
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 (28 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.97% (0.07966) | 94.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 8.35% (0.08352) | 94.22th | v5 (v2026.06.15) |
| Dec 28, 2025 | 7.44% (0.07437) | 91.44th | v4 (v2025.03.14) |
| Dec 27, 2025 | 9.05% (0.09054) | 92.40th | v4 (v2025.03.14) |
| Oct 28, 2025 | 7.44% (0.07437) | 91.33th | v4 (v2025.03.14) |
| Oct 27, 2025 | 9.05% (0.09054) | 92.29th | v4 (v2025.03.14) |
| Oct 15, 2025 | 7.44% (0.07437) | 91.29th | v4 (v2025.03.14) |
| Oct 1, 2025 | 5.69% (0.05686) | 90.04th | v4 (v2025.03.14) |
| Aug 19, 2025 | 6.96% (0.06958) | 91.03th | v4 (v2025.03.14) |
| Jul 30, 2025 | 10.34% (0.10339) | 92.87th | v4 (v2025.03.14) |
| Apr 28, 2025 | 7.32% (0.07318) | 91.15th | v4 (v2025.03.14) |
| Mar 30, 2025 | 8.52% (0.08515) | 91.55th | v4 (v2025.03.14) |
| Mar 29, 2025 | 14.21% (0.14206) | 90.65th | v4 (v2025.03.14) |
| Mar 19, 2025 | 8.52% (0.08515) | 91.31th | v4 (v2025.03.14) |
| Mar 17, 2025 | 10.63% (0.10634) | 92.74th | v4 (v2025.03.14) |
| Dec 17, 2024 | 6.24% (0.06244) | 93.53th | v3 (v2023.03.01) |
| Dec 12, 2024 | 7.28% (0.07280) | 94.32th | v3 (v2023.03.01) |
| Mar 4, 2024 | 7.74% (0.07738) | 94.01th | v3 (v2023.03.01) |
| Nov 13, 2023 | 7.63% (0.07630) | 93.45th | v3 (v2023.03.01) |
| Sep 14, 2023 | 11.25% (0.11250) | 94.49th | v3 (v2023.03.01) |
| Jul 12, 2023 | 11.31% (0.11315) | 94.43th | v3 (v2023.03.01) |
| May 10, 2023 | 11.76% (0.11761) | 94.44th | v3 (v2023.03.01) |
| Mar 10, 2023 | 15.82% (0.15817) | 95.02th | v3 (v2023.03.01) |
| Mar 7, 2023 | 16.90% (0.16901) | 95.16th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.79% (0.06790) | 92.15th | v2 (v2022.01.01) |
| Apr 30, 2022 | 6.79% (0.06790) | 91.46th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.02% (0.07015) | 91.49th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.02% (0.07015) | 79.97th | v2 (v2022.01.01) |
References (9)
- 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://secunia.com/advisories/48668 third-party-advisoryx_refsource_SECUNIA
- http://www.php.net/ChangeLog-5.php#5.3.9 x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2012-0789 Vendor Advisory
- https://bugs.php.net/bug.php?id=53502 x_refsource_CONFIRMExploit
- https://bugzilla.redhat.com/show_bug.cgi?id=783609 x_refsource_CONFIRMExploitIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2012-0789
- https://www.cve.org/CVERecord?id=CVE-2012-0789
| Link | Providers | Tags |
|---|---|---|
| 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://secunia.com/advisories/48668 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.php.net/ChangeLog-5.php#5.3.9 | x_refsource_CONFIRM | |
| https://access.redhat.com/security/cve/CVE-2012-0789 | Vendor Advisory | |
| https://bugs.php.net/bug.php?id=53502 | x_refsource_CONFIRMExploit | |
| https://bugzilla.redhat.com/show_bug.cgi?id=783609 | x_refsource_CONFIRMExploitIssue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-0789 | ||
| https://www.cve.org/CVERecord?id=CVE-2012-0789 |
Change history (0)
No recorded changes yet.