MEDIUM
security flaw
Published Jul 10, 2003
5.0
MEDIUMCVSS 2.0
EPSS 9.11%
Description
The prefork MPM in Apache 2 before 2.0.47 does not properly handle certain errors from accept, which could lead to a denial of service.
Affected products
No data.
OR
- 2.0
- 2.0.28
- 2.0.32
- 2.0.35
- 2.0.36
- 2.0.37
- 2.0.38
- 2.0.39
- 2.0.40
- 2.0.41
- 2.0.42
- 2.0.43
- 2.0.44
- 2.0.45
- 2.0.46
No data.
Red Hat Linux 8.0
n/a
Fixed · RHSA-2003:240
Red Hat Linux 9
n/a
Fixed · RHSA-2003:240
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Linux 8.0 | n/a | Fixed | RHSA-2003:240 |
| Red Hat Linux 9 | n/a | Fixed | RHSA-2003:240 |
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.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
9.11% 0.09108
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.09108
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 | 9.11% (0.09108) | 95.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.11% (0.09108) | 94.63th | v5 (v2026.06.15) |
| Dec 28, 2025 | 7.33% (0.07330) | 91.38th | v4 (v2025.03.14) |
| Dec 27, 2025 | 11.72% (0.11723) | 93.49th | v4 (v2025.03.14) |
| Dec 10, 2025 | 7.33% (0.07330) | 91.34th | v4 (v2025.03.14) |
| Oct 28, 2025 | 9.63% (0.09632) | 92.52th | v4 (v2025.03.14) |
| Oct 27, 2025 | 11.72% (0.11723) | 93.41th | v4 (v2025.03.14) |
| Oct 1, 2025 | 9.63% (0.09632) | 92.64th | v4 (v2025.03.14) |
| Mar 30, 2025 | 11.98% (0.11983) | 93.14th | v4 (v2025.03.14) |
| Mar 29, 2025 | 14.37% (0.14374) | 90.72th | v4 (v2025.03.14) |
| Mar 19, 2025 | 11.98% (0.11983) | 92.88th | v4 (v2025.03.14) |
| Mar 17, 2025 | 9.73% (0.09727) | 92.35th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.83% (0.00832) | 82.71th | v3 (v2023.03.01) |
| May 7, 2024 | 0.41% (0.00414) | 73.90th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.28% (0.00282) | 67.68th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.28% (0.00282) | 63.56th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.24% (0.05242) | 89.75th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.24% (0.05242) | 88.72th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.24% (0.05242) | 75.28th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (20)
- http://marc.info/?l=bugtraq&m=105776593602600&w=2 mailing-listx_refsource_BUGTRAQ
- http://www.mandriva.com/security/advisories?name=MDKSA-2003:075 vendor-advisoryx_refsource_MANDRAKE
- http://www.redhat.com/support/errata/RHSA-2003-240.html vendor-advisoryx_refsource_REDHATPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2003-0253 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1617012 Issue Tracking
- https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r5001ecf3d6b2bdd0b732e527654248abb264f08390045d30709a92f6%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r7035b7c9091c4b665a3b7205364775410646f12125d48e74e395f2ce%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/raa117ef183f0da9b3f46efbeaa66f7622bd68868a450cae4fd8ed594%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/re028d61fe612b0908595d658b9b39e74bca56f2a1ed3c5f06b5ab571%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2003-0253
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A173 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2003-0253
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jul 10, 2003
Updated Aug 8, 2024
Reserved May 6, 2003
Link CVE-2003-0253
CISA Vulnrichment
Updated n/a