Integer signedness error in emalloc() function for PHP before 4.3.2 allow remote attackers to cause a denial of service (memory consumption) and possibly execute arbitrary code via negative arguments to functions such as (1) socket_recv, (2) socket_recvfrom, and possibly other functions
Published Mar 27, 2003
7.5
HIGHCVSS 2.0
EPSS 14.12%
Description
Integer signedness error in emalloc() function for PHP before 4.3.2 allow remote attackers to cause a denial of service (memory consumption) and possibly execute arbitrary code via negative arguments to functions such as (1) socket_recv, (2) socket_recvfrom, and possibly other functions.
Affected products
No data.
- 4.0
- 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
No data.
No Red Hat product state for this CVE.
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:P/I:P/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 | 14.12% (0.14122) | 96.47th | v5 (v2026.06.15) |
| Jun 15, 2026 | 14.12% (0.14122) | 96.09th | v5 (v2026.06.15) |
| Dec 28, 2025 | 26.61% (0.26615) | 96.16th | v4 (v2025.03.14) |
| Dec 27, 2025 | 36.43% (0.36426) | 96.99th | v4 (v2025.03.14) |
| Oct 28, 2025 | 26.61% (0.26615) | 96.10th | v4 (v2025.03.14) |
| Oct 27, 2025 | 36.43% (0.36426) | 96.94th | v4 (v2025.03.14) |
| Oct 1, 2025 | 26.61% (0.26615) | 96.19th | v4 (v2025.03.14) |
| Jul 30, 2025 | 36.43% (0.36426) | 96.96th | v4 (v2025.03.14) |
| Mar 30, 2025 | 26.61% (0.26615) | 95.90th | v4 (v2025.03.14) |
| Mar 29, 2025 | 27.97% (0.27973) | 94.39th | v4 (v2025.03.14) |
| Mar 17, 2025 | 26.61% (0.26615) | 95.92th | v4 (v2025.03.14) |
| Dec 12, 2024 | 8.82% (0.08822) | 94.81th | v3 (v2023.03.01) |
| Aug 4, 2024 | 8.82% (0.08822) | 94.56th | v3 (v2023.03.01) |
| Feb 8, 2024 | 10.97% (0.10971) | 94.94th | v3 (v2023.03.01) |
| Apr 11, 2023 | 10.16% (0.10161) | 94.01th | v3 (v2023.03.01) |
| Mar 7, 2023 | 8.05% (0.08050) | 93.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.82% (0.12822) | 95.61th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.82% (0.12822) | 95.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.82% (0.12822) | 90.16th | v2 (v2022.01.01) |
No CWE recorded.
References (6)
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000691 vendor-advisoryx_refsource_CONECTIVA
- http://marc.info/?l=bugtraq&m=104869828526885&w=2 mailing-listx_refsource_BUGTRAQ
- http://marc.info/?l=bugtraq&m=104878100719467&w=2 mailing-listx_refsource_BUGTRAQ
- http://marc.info/?l=bugtraq&m=104931415307111&w=2 mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/7197 vdb-entryx_refsource_BIDExploitVendor Advisory
- http://www.securityfocus.com/bid/7198 vdb-entryx_refsource_BIDExploitVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000691 | vendor-advisoryx_refsource_CONECTIVA | |
| http://marc.info/?l=bugtraq&m=104869828526885&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://marc.info/?l=bugtraq&m=104878100719467&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://marc.info/?l=bugtraq&m=104931415307111&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/7197 | vdb-entryx_refsource_BIDExploitVendor Advisory | |
| http://www.securityfocus.com/bid/7198 | vdb-entryx_refsource_BIDExploitVendor Advisory |
Change history (0)
No recorded changes yet.