CVE-2003-0693

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 11.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2003-09-22 · updated 2026-06-16

Description

A "buffer management error" in buffer_append_space of buffer.c for OpenSSH before 3.7 may allow remote attackers to execute arbitrary code by causing an incorrect amount of memory to be freed and corrupting the heap, a different vulnerability than CVE-2003-0695.

Affected products

OpenSSH: through 3.7

References

http://lists.grok.org.uk/pipermail/full-disclosure/2003-September/010103.html
http://lists.grok.org.uk/pipermail/full-disclosure/2003-September/010135.html
http://lists.grok.org.uk/pipermail/full-disclosure/2003-September/010146.html
http://marc.info/?l=bugtraq&m=106373247528528&w=2
http://marc.info/?l=bugtraq&m=106373546332230&w=2
http://marc.info/?l=bugtraq&m=106374466212309&w=2
http://marc.info/?l=bugtraq&m=106381396120332&w=2
http://marc.info/?l=bugtraq&m=106381409220492&w=2
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1000620.1-1
http://www.cert.org/advisories/CA-2003-24.html
http://www.debian.org/security/2003/dsa-382
http://www.debian.org/security/2003/dsa-383

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