php: buffer overflow flaw in apache_request_headers() in PHP 5.4.x
Published May 11, 2012
5.0
MEDIUMCVSS 2.0
EPSS 62.30%
Description
Buffer overflow in the apache_request_headers function in sapi/cgi/cgi_main.c in PHP 5.4.x before 5.4.3 allows remote attackers to cause a denial of service (application crash) via a long string in the header of an HTTP request.
Affected products
No data.
No data.
Red Hat Enterprise Linux 4
php
Not affected
Red Hat Enterprise Linux 5
php
Not affected
Red Hat Enterprise Linux 5
php53
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 5 | php53 | Not affected | n/a |
| Red Hat Enterprise Linux 6 | 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, 5, or 6. This flaw only affects PHP 5.4.0 through 5.4.2.
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 (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 62.30% (0.62298) | 99.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 62.65% (0.62649) | 99.08th | v5 (v2026.06.15) |
| Dec 28, 2025 | 79.57% (0.79567) | 99.04th | v4 (v2025.03.14) |
| Dec 27, 2025 | 80.58% (0.80582) | 99.10th | v4 (v2025.03.14) |
| Oct 28, 2025 | 79.57% (0.79567) | 99.04th | v4 (v2025.03.14) |
| Oct 27, 2025 | 80.58% (0.80582) | 99.09th | v4 (v2025.03.14) |
| Oct 1, 2025 | 79.57% (0.79567) | 99.06th | v4 (v2025.03.14) |
| Sep 16, 2025 | 80.58% (0.80582) | 99.10th | v4 (v2025.03.14) |
| Jul 30, 2025 | 74.76% (0.74758) | 98.80th | v4 (v2025.03.14) |
| Mar 17, 2025 | 73.38% (0.73383) | 98.72th | v4 (v2025.03.14) |
| Feb 18, 2025 | 61.21% (0.61215) | 98.00th | v3 (v2023.03.01) |
| Dec 17, 2024 | 46.17% (0.46167) | 97.50th | v3 (v2023.03.01) |
| Sep 17, 2024 | 42.78% (0.42783) | 97.38th | v3 (v2023.03.01) |
| Jul 24, 2024 | 58.08% (0.58084) | 97.77th | v3 (v2023.03.01) |
| Feb 8, 2024 | 60.55% (0.60554) | 97.66th | v3 (v2023.03.01) |
| Dec 10, 2023 | 51.97% (0.51974) | 97.25th | v3 (v2023.03.01) |
| Oct 7, 2023 | 39.17% (0.39170) | 96.79th | v3 (v2023.03.01) |
| Aug 5, 2023 | 40.00% (0.40001) | 96.75th | v3 (v2023.03.01) |
| Jun 5, 2023 | 36.40% (0.36401) | 96.58th | v3 (v2023.03.01) |
| Mar 7, 2023 | 36.36% (0.36361) | 96.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 66.56% (0.66562) | 99.06th | v2 (v2022.01.01) |
| Jul 26, 2022 | 66.56% (0.66562) | 99.01th | v2 (v2022.01.01) |
| Apr 24, 2022 | 67.33% (0.67334) | 99.02th | v2 (v2022.01.01) |
| Feb 4, 2022 | 68.56% (0.68562) | 98.94th | v2 (v2022.01.01) |
References (11)
- http://secunia.com/advisories/49014 third-party-advisoryx_refsource_SECUNIA
- http://www.php.net/ChangeLog-5.php#5.4.3 x_refsource_CONFIRM
- http://www.php.net/archive/2012.php#id2012-05-08-1 x_refsource_CONFIRM
- http://www.securityfocus.com/bid/53455 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2012-2329 Vendor Advisory
- https://bugs.php.net/bug.php?id=61807 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=820000 x_refsource_CONFIRMPatchIssue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75545 vdb-entryx_refsource_XF
- https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03839862 vendor-advisoryx_refsource_HP
- https://nvd.nist.gov/vuln/detail/CVE-2012-2329
- https://www.cve.org/CVERecord?id=CVE-2012-2329
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/49014 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.php.net/ChangeLog-5.php#5.4.3 | x_refsource_CONFIRM | |
| http://www.php.net/archive/2012.php#id2012-05-08-1 | x_refsource_CONFIRM | |
| http://www.securityfocus.com/bid/53455 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2012-2329 | Vendor Advisory | |
| https://bugs.php.net/bug.php?id=61807 | x_refsource_CONFIRM | |
| https://bugzilla.redhat.com/show_bug.cgi?id=820000 | x_refsource_CONFIRMPatchIssue Tracking | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/75545 | vdb-entryx_refsource_XF | |
| https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03839862 | vendor-advisoryx_refsource_HP | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-2329 | ||
| https://www.cve.org/CVERecord?id=CVE-2012-2329 |
Change history (0)
No recorded changes yet.