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CVE-2002-0839

The shared memory scoreboard in the HTTP daemon for Apache 1.3.x before 1.3.27 allows any user...

7.2 HighFix available

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

0.94%Down 2.1 points since Feb 4, 2022
90%50%10%1%

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 HighAV: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

Affected packages
PackageAffectedFixed
apache
Debian:3.0
before 1.3.26-0woody
1.3.26-0woody
apache-ssl
Debian:3.0
before 1.3.26.1+1.48-0woody3
1.3.26.1+1.48-0woody3
apache-perl
Debian:3.0
before 1.3.26-1-1.26-0woody2
1.3.26-1-1.26-0woody2

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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