HIGH
security flaw
Published Oct 5, 2002
7.5
HIGHCVSS 2.0
EPSS 21.42%
Description
Buffer overflows in the ApacheBench benchmark support program (ab.c) in Apache before 1.3.27, and Apache 2.x before 2.0.43, allow a malicious web server to cause a denial of service and possibly execute arbitrary code via a long response.
Affected products
No data.
OR
- 1.3
- 1.3.1
- 1.3.3
- 1.3.4
- 1.3.6
- 1.3.9
- 1.3.11
- 1.3.12
- 1.3.14
- 1.3.17
- 1.3.18
- 1.3.19
- 1.3.20
- 1.3.22
- 1.3.23
- 1.3.24
- 1.3.25
- 1.3.26
- 1.0.2
- 1.0.2.1s
- 1.0.2.2
- 9.0.2
- 9.0.2
- 9.0.2.1
- 8.1.7
- 9.2.2
- 8.1.7
- 8.1.7.0.0_enterprise
- 8.1.7.1
- 8.1.7.1.0_enterprise
No data.
Red Hat Enterprise Linux AS (Advanced Server) version 2.1
n/a
Fixed · RHSA-2002:251
Red Hat Linux 6.2
n/a
Fixed · RHSA-2002:222
Red Hat Linux 7.0
n/a
Fixed · RHSA-2002:222
Red Hat Linux 7.1
n/a
Fixed · RHSA-2002:222
Red Hat Linux 7.1
n/a
Fixed · RHSA-2003:106
Red Hat Linux 7.2
n/a
Fixed · RHSA-2002:222
Red Hat Linux 7.3
n/a
Fixed · RHSA-2002:222
Red Hat Linux 8.0
n/a
Fixed · RHSA-2002:222
Red Hat Linux Advanced Workstation 2.1
n/a
Fixed · RHSA-2002:251
Red Hat Stronghold 3
n/a
Fixed · RHSA-2002:243
Red Hat Stronghold 4
n/a
Fixed · RHSA-2002:244
Stronghold 4 for Red Hat Enterprise Linux
n/a
Fixed · RHSA-2002:248
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | n/a | Fixed | RHSA-2002:251 |
| Red Hat Linux 6.2 | n/a | Fixed | RHSA-2002:222 |
| Red Hat Linux 7.0 | n/a | Fixed | RHSA-2002:222 |
| Red Hat Linux 7.1 | n/a | Fixed | RHSA-2002:222 |
| Red Hat Linux 7.1 | n/a | Fixed | RHSA-2003:106 |
| Red Hat Linux 7.2 | n/a | Fixed | RHSA-2002:222 |
| Red Hat Linux 7.3 | n/a | Fixed | RHSA-2002:222 |
| Red Hat Linux 8.0 | n/a | Fixed | RHSA-2002:222 |
| Red Hat Linux Advanced Workstation 2.1 | n/a | Fixed | RHSA-2002:251 |
| Red Hat Stronghold 3 | n/a | Fixed | RHSA-2002:243 |
| Red Hat Stronghold 4 | n/a | Fixed | RHSA-2002:244 |
| Stronghold 4 for Red Hat Enterprise Linux | n/a | Fixed | RHSA-2002:248 |
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.
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.
21.42% 0.21421
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.21421
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 | 21.42% (0.21421) | 97.54th | v5 (v2026.06.15) |
| Jun 15, 2026 | 21.42% (0.21421) | 97.29th | v5 (v2026.06.15) |
| Dec 28, 2025 | 3.77% (0.03769) | 87.68th | v4 (v2025.03.14) |
| Dec 27, 2025 | 2.53% (0.02528) | 85.08th | v4 (v2025.03.14) |
| Oct 28, 2025 | 3.78% (0.03780) | 87.54th | v4 (v2025.03.14) |
| Oct 27, 2025 | 2.53% (0.02528) | 84.91th | v4 (v2025.03.14) |
| Oct 1, 2025 | 3.78% (0.03780) | 87.64th | v4 (v2025.03.14) |
| Jul 30, 2025 | 2.53% (0.02528) | 84.83th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.81% (0.03812) | 87.04th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.07% (0.06072) | 84.17th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.81% (0.03812) | 87.33th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.51% (0.00513) | 77.42th | v3 (v2023.03.01) |
| Feb 13, 2024 | 0.51% (0.00513) | 75.96th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.36% (0.00361) | 71.49th | v3 (v2023.03.01) |
| Aug 3, 2023 | 0.36% (0.00361) | 68.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.35% (0.00349) | 67.30th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.29% (0.05294) | 89.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.29% (0.05294) | 88.82th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.29% (0.05294) | 75.96th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (32)
- ftp://patches.sgi.com/support/free/security/advisories/20021105-01-I vendor-advisoryx_refsource_SGI
- http://archives.neohapsis.com/archives/bugtraq/2002-10/0229.html mailing-listx_refsource_BUGTRAQ
- http://archives.neohapsis.com/archives/bugtraq/2002-10/0254.html mailing-listx_refsource_BUGTRAQ
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000530 vendor-advisoryx_refsource_CONECTIVA
- http://distro.conectiva.com/atualizacoes/?id=a&anuncio=000530 vendor-advisoryx_refsource_CONECTIVA
- http://marc.info/?l=apache-httpd-announce&m=103367938230488&w=2 x_refsource_CONFIRM
- http://marc.info/?l=bugtraq&m=103376585508776&w=2 mailing-listx_refsource_BUGTRAQ
- http://online.securityfocus.com/advisories/4617 vendor-advisoryx_refsource_HP
- http://secunia.com/advisories/21425 third-party-advisoryx_refsource_SECUNIA
- http://www-1.ibm.com/support/search.wss?rs=0&q=IY87070&apar=only vendor-advisoryx_refsource_AIXAPAR
- http://www.apacheweek.com/issues/02-10-04 x_refsource_CONFIRMVendor Advisory
- http://www.debian.org/security/2002/dsa-187 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2002/dsa-188 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2002/dsa-195 vendor-advisoryx_refsource_DEBIAN
- http://www.iss.net/security_center/static/10281.php vdb-entryx_refsource_XF
- http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-068.php vendor-advisoryx_refsource_MANDRAKE
- http://www.linuxsecurity.com/advisories/other_advisory-2414.html vendor-advisoryx_refsource_ENGARDE
- http://www.securityfocus.com/bid/5887 vdb-entryx_refsource_BID
- http://www.securityfocus.com/bid/5995 vdb-entryx_refsource_BID
- http://www.securityfocus.com/bid/5996 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2006/3263 vdb-entryx_refsource_VUPEN
- http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=2871 x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2002-0843 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1616824 Issue Tracking
- https://lists.apache.org/thread.html/r5419c9ba0951ef73a655362403d12bb8d10fab38274deb3f005816f5%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%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/rd00b45b93fda4a5bd013b28587207d0e00f99f6e3308dbb6025f3b01%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rf2f0f3611f937cf6cfb3b4fe4a67f69885855126110e1e3f2fb2728e%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-2002-0843
- https://www.cve.org/CVERecord?id=CVE-2002-0843
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 5, 2002
Updated Aug 8, 2024
Reserved Aug 8, 2002
Link CVE-2002-0843
CISA Vulnrichment
Updated n/a