HIGH
php: integer overflow in shmop_read()
Published Mar 15, 2011
7.5
HIGHCVSS 2.0
EPSS 17.88%
Description
Integer overflow in ext/shmop/shmop.c in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (crash) and possibly read sensitive memory via a large third argument to the shmop_read function.
Affected products
No data.
OR
- ≤ 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 4
php
Not affected
Red Hat Enterprise Linux 5
php
Not affected
Red Hat Enterprise Linux 6
php
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | php | Not affected | n/a |
| Red Hat Enterprise Linux 5 | php | Not affected | n/a |
| Red Hat Enterprise Linux 6 | php | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat does not consider this to be a security issue. Input passed to these functions should be under the full control of the script author, thus no trust boundary is crossed. Additionally, an administrator would have to disable, or excessively increase the memory_limit settings in the PHP configuration file to trigger this bug.
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.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
17.88% 0.17881
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.17881
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 (42 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 17.88% (0.17881) | 97.09th | v5 (v2026.06.15) |
| Jun 15, 2026 | 17.88% (0.17881) | 96.79th | v5 (v2026.06.15) |
| Mar 4, 2026 | 10.00% (0.09998) | 92.92th | v4 (v2025.03.14) |
| Mar 1, 2026 | 11.04% (0.11036) | 93.33th | v4 (v2025.03.14) |
| Feb 4, 2026 | 10.00% (0.09998) | 92.86th | v4 (v2025.03.14) |
| Feb 1, 2026 | 11.04% (0.11036) | 93.28th | v4 (v2025.03.14) |
| Jan 29, 2026 | 10.00% (0.09998) | 92.85th | v4 (v2025.03.14) |
| Jan 4, 2026 | 11.26% (0.11264) | 93.28th | v4 (v2025.03.14) |
| Jan 1, 2026 | 12.41% (0.12412) | 93.71th | v4 (v2025.03.14) |
| Dec 4, 2025 | 11.26% (0.11264) | 93.24th | v4 (v2025.03.14) |
| Dec 1, 2025 | 12.41% (0.12412) | 93.66th | v4 (v2025.03.14) |
| Nov 22, 2025 | 11.26% (0.11264) | 93.23th | v4 (v2025.03.14) |
| Sep 5, 2025 | 12.77% (0.12770) | 93.77th | v4 (v2025.03.14) |
| Sep 1, 2025 | 14.04% (0.14041) | 94.13th | v4 (v2025.03.14) |
| Aug 4, 2025 | 12.77% (0.12770) | 93.73th | v4 (v2025.03.14) |
| Aug 1, 2025 | 14.04% (0.14041) | 94.09th | v4 (v2025.03.14) |
| Jul 7, 2025 | 11.98% (0.11984) | 93.43th | v4 (v2025.03.14) |
| Jul 4, 2025 | 15.71% (0.15706) | 94.39th | v4 (v2025.03.14) |
| Jul 1, 2025 | 17.56% (0.17557) | 94.81th | v4 (v2025.03.14) |
| Jun 4, 2025 | 15.28% (0.15284) | 94.25th | v4 (v2025.03.14) |
| Jun 1, 2025 | 17.56% (0.17557) | 94.76th | v4 (v2025.03.14) |
| May 7, 2025 | 15.28% (0.15284) | 94.21th | v4 (v2025.03.14) |
| May 4, 2025 | 17.81% (0.17810) | 94.73th | v4 (v2025.03.14) |
| May 1, 2025 | 11.23% (0.11227) | 93.14th | v4 (v2025.03.14) |
| Apr 19, 2025 | 17.81% (0.17810) | 94.72th | v4 (v2025.03.14) |
| Apr 13, 2025 | 15.90% (0.15902) | 94.21th | v4 (v2025.03.14) |
| Apr 12, 2025 | 9.92% (0.09917) | 92.30th | v4 (v2025.03.14) |
| Apr 6, 2025 | 15.90% (0.15902) | 94.19th | v4 (v2025.03.14) |
| Apr 5, 2025 | 9.92% (0.09917) | 92.31th | v4 (v2025.03.14) |
| Apr 2, 2025 | 15.90% (0.15902) | 94.19th | v4 (v2025.03.14) |
| Apr 1, 2025 | 9.92% (0.09917) | 92.29th | v4 (v2025.03.14) |
| Mar 30, 2025 | 15.90% (0.15902) | 94.18th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.97% (0.09970) | 88.30th | v4 (v2025.03.14) |
| Mar 28, 2025 | 15.90% (0.15902) | 94.19th | v4 (v2025.03.14) |
| Mar 27, 2025 | 9.92% (0.09917) | 91.88th | v4 (v2025.03.14) |
| Mar 17, 2025 | 15.90% (0.15902) | 94.25th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.76% (0.02758) | 90.95th | v3 (v2023.03.01) |
| Apr 3, 2023 | 2.76% (0.02758) | 88.97th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.88% (0.02881) | 89.17th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.57% (0.12567) | 95.52th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.57% (0.12567) | 95.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.57% (0.12567) | 90.03th | v2 (v2022.01.01) |
Weaknesses (2)
References (21)
- http://bugs.php.net/bug.php?id=54193 x_refsource_CONFIRM
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html vendor-advisoryx_refsource_APPLE
- http://marc.info/?l=bugtraq&m=133469208622507&w=2 vendor-advisoryx_refsource_HP
- http://securityreason.com/securityalert/8130 third-party-advisoryx_refsource_SREASON
- http://support.apple.com/kb/HT5002 x_refsource_CONFIRM
- http://svn.php.net/viewvc/php/php-src/branches/PHP_5_3/ext/shmop/shmop.c?r1=306939&r2=309018&pathrev=309018 x_refsource_CONFIRMPatch
- http://www.exploit-db.com/exploits/16966 exploitx_refsource_EXPLOIT-DB
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:052 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:053 vendor-advisoryx_refsource_MANDRIVA
- http://www.openwall.com/lists/oss-security/2011/03/08/11 mailing-listx_refsource_MLISTExploitPatch
- http://www.openwall.com/lists/oss-security/2011/03/08/9 mailing-listx_refsource_MLISTExploitPatch
- http://www.php.net/ChangeLog-5.php x_refsource_CONFIRM
- http://www.php.net/archive/2011.php x_refsource_CONFIRM
- http://www.php.net/releases/5_3_6.php x_refsource_CONFIRM
- http://www.securityfocus.com/bid/46786 vdb-entryx_refsource_BIDExploit
- http://www.vupen.com/english/advisories/2011/0744 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2011-1092 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=683183 x_refsource_CONFIRMIssue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65988 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2011-1092
- https://www.cve.org/CVERecord?id=CVE-2011-1092
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Mar 15, 2011
Updated Aug 6, 2024
Reserved Feb 24, 2011
Link CVE-2011-1092
CISA Vulnrichment
Updated n/a