CVE-2006-5815
CriticalPublic exploitStack-based buffer overflow in the sreplace function in ProFTPD 1.3.0 and earlier allows remote attackers, probably authenticated, to cause a denial of service and execute arbitrary code, as demonstrated by vd_proftpd.pm, a "ProFTPD remote exploit."
Published Nov 8, 2006 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2006-5815, DSA-1222-1
Key Facts
Patch immediately- CVE-2006-5815 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Proftpd (Proftpd Project), proftpd-dfsg (debian), proftpd-devel (suse) and 7 more products.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 75% probability of exploitation in the next 30 days.
- Fixed versions are available, including Proftpd 1.2.10-15sarge3, Proftpd 1.3.6e-1.10, Proftpd 1.3.0.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
75%
Higher than 99.5% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2006-5815 brief as a PDF
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Description
Stack-based buffer overflow in the sreplace function in ProFTPD 1.3.0 and earlier allows remote attackers, probably authenticated, to cause a denial of service and execute arbitrary code, as demonstrated by vd_proftpd.pm, a "ProFTPD remote exploit."
Affected Products
22 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ProftpdProftpd Project | See advisory | 1.3.0 |
| proftpd-dfsgdebian | See advisory | 1.3.0-15 |
| proftpd-develsuse | See advisory | 1.3.6e-1.10 |
| proftpd-docsuse | See advisory | 1.3.6e-1.10 |
| proftpd-langsuse | See advisory | 1.3.6e-1.10 |
Patched Releases
Proftpd
1.2.10-15sarge3, 1.3.6e-1.10, 1.3.0
proftpd-devel
1.3.6e-1.10
proftpd-dfsg
1.3.0-15
proftpd-doc
1.3.6e-1.10
proftpd-lang
1.3.6e-1.10
proftpd-ldap
1.3.6e-1.10
proftpd-mysql
1.3.6e-1.10
proftpd-pgsql
1.3.6e-1.10
proftpd-radius
1.3.6e-1.10
proftpd-sqlite
1.3.6e-1.10
Timeline
Publicly disclosed
Nov 8, 2006
Last updated
Aug 4, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
FAQ
Common Questions.
Stack-based buffer overflow in the sreplace function in ProFTPD 1.3.0 and earlier allows remote attackers, probably authenticated, to cause a denial of service and execute arbitrary code, as demonstrated by vd_proftpd.pm, a "ProFTPD remote exploit."
Affected: Proftpd (Proftpd Project); proftpd-dfsg (debian); proftpd-devel (suse), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Proftpd 1.2.10-15sarge3, Proftpd 1.3.6e-1.10, Proftpd 1.3.0.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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