CVE-2002-0839
The shared memory scoreboard in the HTTP daemon for Apache 1.3.x before 1.3.27 allows any user...
CVE-2002-0839 is a high vulnerability (CVSS 7.2) in Apache Http Server, published October 5, 2002. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.94%, the 61st percentile. Fixed in apache 1.3.26-0woody.
The shared memory scoreboard in the HTTP daemon for Apache 1.3.x before 1.3.27 allows any user running as the Apache UID to send a SIGUSR1 signal to any process as root, resulting in a denial of service (process kill) or possibly other behaviors that would not normally be allowed, by modifying the parent[].pid and parent[].last_rtime segments in the scoreboard.
Exploit likelihood
What each source reports
NVD Score used
7.2
The shared memory scoreboard in the HTTP daemon for Apache 1.3.x before 1.3.27 allows any user running as the Apache UID to send a SIGUSR1 signal to any process as root, resulting in a denial of service (process kill) or possibly other behaviors that would not normally be allowed, by modifying the parent[].pid and parent[].last_rtime segments in the scoreboard.
- Record
CVE-2002-0839- CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
The shared memory scoreboard in the HTTP daemon for Apache 1.3.x before 1.3.27 allows any user running as the Apache UID to send a SIGUSR1 signal to any process as root, resulting in a denial of service (process kill) or possibly other behaviors that would not normally be allowed, by modifying the parent[].pid and parent[].last_rtime segments in the scoreboard.
- Record
CVE-2002-0839- Updated
- 2026-11-02
EUVDEUVD-2002-0831 No score
The shared memory scoreboard in the HTTP daemon for Apache 1.3.x before 1.3.27 allows any user running as the Apache UID to send a SIGUSR1 signal to any process as root, resulting in a denial of service (process kill) or possibly other behaviors that would not normally be allowed, by modifying the parent[].pid and parent[].last_rtime segments in the scoreboard.
- Record
EUVD-2002-0831- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6hh5-x52p-p482 No score
The shared memory scoreboard in the HTTP daemon for Apache 1.3.x before 1.3.27 allows any user...
The shared memory scoreboard in the HTTP daemon for Apache 1.3.x before 1.3.27 allows any user running as the Apache UID to send a SIGUSR1 signal to any process as root, resulting in a denial of service (process kill) or possibly other behaviors that would not normally be allowed, by modifying the parent[].pid and parent[].last_rtime segments in the scoreboard.
- Record
GHSA-6hh5-x52p-p482- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
apacheDebian:3.0 |
before 1.3.26-0woody | 1.3.26-0woody |
apache-sslDebian:3.0 |
before 1.3.26.1+1.48-0woody3 | 1.3.26.1+1.48-0woody3 |
apache-perlDebian:3.0 |
before 1.3.26-1-1.26-0woody2 | 1.3.26-1-1.26-0woody2 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
debian.org/security/2002/dsa-188
marc.info?l=apache-httpd-announce&m=103367938230488&w=2
linuxsecurity.com/advisories/other_advisory-2414.html
online.securityfocus.com/advisories/4617
debian.org/security/2002/dsa-187
marc.info?l=bugtraq&m=130497311408250&w=2
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archives.neohapsis.com/archives/vulnwatch/2002-q4/0012.html
apacheweek.com/issues/02-10-04
securityfocus.com/bid/5884
debian.org/security/2002/dsa-195
marc.info?l=bugtraq&m=103376585508776&w=2
iss.net/security_center/static/10280.php
linux-mandrake.com/en/security/2002/MDKSA-2002-068.php
distro.conectiva.com.br/atualizacoes?id=a&anuncio=000530
archives.neohapsis.com/archives/bugtraq/2002-10/0254.html
archives.neohapsis.com/archives/bugtraq/2002-10/0195.html
lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r5419c9ba0951ef73a655362403d12bb8d10fab38274deb3f005816f5%40%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/rd00b45b93fda4a5bd013b28587207d0e00f99f6e3308dbb6025f3b01%40%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r8c9983f1172a3415f915ddb7e14de632d2d0c326eb1285755a024165%40%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/rf2f0f3611f937cf6cfb3b4fe4a67f69885855126110e1e3f2fb2728e%40%3Ccvs.httpd.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2002-0839
lists.apache.org/thread.html/r5419c9ba0951ef73a655362403d12bb8d10fab38274deb3f005816f5@%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r8c9983f1172a3415f915ddb7e14de632d2d0c326eb1285755a024165@%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920@%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/rd00b45b93fda4a5bd013b28587207d0e00f99f6e3308dbb6025f3b01@%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/rf2f0f3611f937cf6cfb3b4fe4a67f69885855126110e1e3f2fb2728e@%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9@%3Ccvs.httpd.apache.org%3E
github.com/advisories/GHSA-6hh5-x52p-p482