php: Multiple memory leaks in the OpenSSL extension
Published Mar 20, 2011
4.3
MEDIUMCVSS 2.0
EPSS 13.26%
Description
Multiple memory leaks in the OpenSSL extension in PHP before 5.3.6 might allow remote attackers to cause a denial of service (memory consumption) via (1) plaintext data to the openssl_encrypt function or (2) ciphertext data to the openssl_decrypt function.
Affected products
No data.
- ≤ 5.3.5
- 1.0
- 2.0
- 2.0b10
- 3.0
- 3.0.1
- 3.0.2
- 3.0.3
- 3.0.4
- 3.0.5
- 3.0.6
- 3.0.7
- 3.0.8
- 3.0.9
- 3.0.10
- 3.0.11
- 3.0.12
- 3.0.13
- 3.0.14
- 3.0.15
- 3.0.16
- 3.0.17
- 3.0.18
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0.0
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.0.5
- 4.0.6
- 4.0.7
- 4.1.0
- 4.1.1
- 4.1.2
- 4.2.0
- 4.2.1
- 4.2.2
- 4.2.3
- 4.3.0
- 4.3.1
- 4.3.2
- 4.3.3
- 4.3.4
- 4.3.5
- 4.3.6
- 4.3.7
- 4.3.8
- 4.3.9
- 4.3.10
- 4.3.11
- 4.4.0
- 4.4.1
- 4.4.2
- 4.4.3
- 4.4.4
- 4.4.5
- 4.4.6
- 4.4.7
- 4.4.8
- 4.4.9
- 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
- 5.1.0
- 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
- 5.2.4
- 5.2.5
- 5.2.6
- 5.2.7
- 5.2.8
- 5.2.9
- 5.2.10
- 5.2.11
- 5.2.12
- 5.2.13
- 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
No data.
Red Hat Enterprise Linux 5
php53-0:5.3.3-1.el5_7.3
Fixed · RHSA-2011:1423
Red Hat Enterprise Linux 6
php-0:5.3.3-3.el6_1.3
Fixed · RHSA-2011:1423
Red Hat Enterprise Linux 4
php
Not affected
Red Hat Enterprise Linux 5
php
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | php53-0:5.3.3-1.el5_7.3 | Fixed | RHSA-2011:1423 |
| Red Hat Enterprise Linux 6 | php-0:5.3.3-3.el6_1.3 | Fixed | RHSA-2011:1423 |
| Red Hat Enterprise Linux 4 | php | Not affected | n/a |
| Red Hat Enterprise Linux 5 | php | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of php as shipped with Red Hat Enterprise Linux 4 and 5. It has been addressed in Red Hat Enterprise Linux 5 (php53) and 6 (php).
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:M/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 (35 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 13.26% (0.13263) | 96.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 13.21% (0.13205) | 95.87th | v5 (v2026.06.15) |
| Mar 4, 2026 | 6.83% (0.06826) | 91.17th | v4 (v2025.03.14) |
| Mar 1, 2026 | 8.37% (0.08371) | 92.18th | v4 (v2025.03.14) |
| Feb 4, 2026 | 6.83% (0.06826) | 91.12th | v4 (v2025.03.14) |
| Feb 1, 2026 | 8.37% (0.08371) | 92.11th | v4 (v2025.03.14) |
| Jan 4, 2026 | 6.83% (0.06826) | 91.04th | v4 (v2025.03.14) |
| Jan 1, 2026 | 8.37% (0.08371) | 92.06th | v4 (v2025.03.14) |
| Dec 28, 2025 | 6.83% (0.06826) | 91.02th | v4 (v2025.03.14) |
| Dec 27, 2025 | 14.19% (0.14193) | 94.19th | v4 (v2025.03.14) |
| Dec 4, 2025 | 6.83% (0.06826) | 90.97th | v4 (v2025.03.14) |
| Dec 1, 2025 | 8.37% (0.08371) | 91.99th | v4 (v2025.03.14) |
| Nov 4, 2025 | 6.13% (0.06133) | 90.38th | v4 (v2025.03.14) |
| Nov 1, 2025 | 7.54% (0.07537) | 91.42th | v4 (v2025.03.14) |
| Oct 28, 2025 | 6.13% (0.06133) | 90.37th | v4 (v2025.03.14) |
| Oct 27, 2025 | 12.88% (0.12880) | 93.78th | v4 (v2025.03.14) |
| Oct 4, 2025 | 6.13% (0.06133) | 90.41th | v4 (v2025.03.14) |
| Oct 1, 2025 | 7.54% (0.07537) | 91.48th | v4 (v2025.03.14) |
| Sep 11, 2025 | 12.88% (0.12880) | 93.80th | v4 (v2025.03.14) |
| Sep 4, 2025 | 14.11% (0.14106) | 94.12th | v4 (v2025.03.14) |
| Sep 1, 2025 | 16.93% (0.16929) | 94.74th | v4 (v2025.03.14) |
| Aug 4, 2025 | 14.11% (0.14106) | 94.07th | v4 (v2025.03.14) |
| Aug 1, 2025 | 16.93% (0.16929) | 94.73th | v4 (v2025.03.14) |
| Jul 30, 2025 | 14.11% (0.14106) | 94.07th | v4 (v2025.03.14) |
| Jul 7, 2025 | 6.78% (0.06780) | 90.84th | v4 (v2025.03.14) |
| Mar 30, 2025 | 11.23% (0.11231) | 92.88th | v4 (v2025.03.14) |
| Mar 29, 2025 | 20.34% (0.20344) | 92.72th | v4 (v2025.03.14) |
| Mar 17, 2025 | 11.23% (0.11231) | 92.97th | v4 (v2025.03.14) |
| Dec 17, 2024 | 9.58% (0.09576) | 94.77th | v3 (v2023.03.01) |
| Jul 3, 2024 | 15.02% (0.15017) | 95.87th | v3 (v2023.03.01) |
| Apr 7, 2023 | 13.00% (0.13003) | 94.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 12.83% (0.12834) | 94.55th | v3 (v2023.03.01) |
| Mar 6, 2023 | 11.00% (0.10995) | 94.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 11.00% (0.10995) | 94.44th | v2 (v2022.01.01) |
| Feb 4, 2022 | 11.00% (0.10995) | 88.52th | v2 (v2022.01.01) |
References (13)
- http://bugs.php.net/bug.php?id=54060 x_refsource_CONFIRMExploit
- http://bugs.php.net/bug.php?id=54061 x_refsource_CONFIRMExploit
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html vendor-advisoryx_refsource_APPLE
- http://support.apple.com/kb/HT5002 x_refsource_CONFIRM
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:053 vendor-advisoryx_refsource_MANDRIVA
- http://www.php.net/ChangeLog-5.php x_refsource_CONFIRM
- http://www.redhat.com/support/errata/RHSA-2011-1423.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/46977 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2011/0744 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2011-1468 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=690899 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-1468
- https://www.cve.org/CVERecord?id=CVE-2011-1468
| Link | Providers | Tags |
|---|---|---|
| http://bugs.php.net/bug.php?id=54060 | x_refsource_CONFIRMExploit | |
| http://bugs.php.net/bug.php?id=54061 | x_refsource_CONFIRMExploit | |
| http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html | vendor-advisoryx_refsource_APPLE | |
| http://support.apple.com/kb/HT5002 | x_refsource_CONFIRM | |
| http://www.mandriva.com/security/advisories?name=MDVSA-2011:053 | vendor-advisoryx_refsource_MANDRIVA | |
| http://www.php.net/ChangeLog-5.php | x_refsource_CONFIRM | |
| http://www.redhat.com/support/errata/RHSA-2011-1423.html | vendor-advisoryx_refsource_REDHAT | |
| http://www.securityfocus.com/bid/46977 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2011/0744 | vdb-entryx_refsource_VUPEN | |
| https://access.redhat.com/security/cve/CVE-2011-1468 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=690899 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-1468 | ||
| https://www.cve.org/CVERecord?id=CVE-2011-1468 |
Change history (0)
No recorded changes yet.