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CVE-2011-1137

Integer overflow in the mod_sftp (aka SFTP) module in ProFTPD 1.3.3d and earlier allows remote...

5.0 MediumPublic exploitFix available

Integer overflow in the mod_sftp (aka SFTP) module in ProFTPD 1.3.3d and earlier allows remote attackers to cause a denial of service (memory consumption leading to OOM kill) via a malformed SSH message.

Exploit likelihood

28.1%Up 15.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

Integer overflow in the mod_sftp (aka SFTP) module in ProFTPD 1.3.3d and earlier allows remote attackers to cause a denial of service (memory consumption leading to OOM kill) via a malformed SSH message.

Record
CVE-2011-1137
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-189
Updated
2026-11-02
CVE List No score

Integer overflow in the mod_sftp (aka SFTP) module in ProFTPD 1.3.3d and earlier allows remote attackers to cause a denial of service (memory consumption leading to OOM kill) via a malformed SSH message.

Record
CVE-2011-1137
Updated
2026-11-02
EUVDEUVD-2011-1151 No score

Integer overflow in the mod_sftp (aka SFTP) module in ProFTPD 1.3.3d and earlier allows remote attackers to cause a denial of service (memory consumption leading to OOM kill) via a malformed SSH message.

Record
EUVD-2011-1151
Updated
2026-11-03
GitHub AdvisoriesGHSA-mvv4-4mqg-wq2g No score

Integer overflow in the mod_sftp (aka SFTP) module in ProFTPD 1.3.3d and earlier allows remote...

Integer overflow in the mod_sftp (aka SFTP) module in ProFTPD 1.3.3d and earlier allows remote attackers to cause a denial of service (memory consumption leading to OOM kill) via a malformed SSH message.

Record
GHSA-mvv4-4mqg-wq2g
Updated
2026-11-02
OSV No score

Integer overflow in the mod_sftp (aka SFTP) module in ProFTPD 1.3.3d and earlier allows remote attackers to cause a denial of service (memory consumption leading to OOM kill) via a malformed SSH message.

Record
CVE-2011-1137
Updated
2026-11-02
OSVDEBIAN-CVE-2011-1137 No score

Integer overflow in the mod_sftp (aka SFTP) module in ProFTPD 1.3.3d and earlier allows remote attackers to cause a denial of service (memory consumption leading to OOM kill) via a malformed SSH message.

Record
DEBIAN-CVE-2011-1137
Updated
2026-11-02
OSVopenSUSE-SU-2024:10048-1 No score

proftpd-1.3.5b-2.5 on GA media

These are all security issues fixed in the proftpd-1.3.5b-2.5 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10048-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
proftpd-dfsg
Debian:12
 before 1.3.3d-4
1.3.3d-4
proftpd-dfsg
Debian:13
 before 1.3.3d-4
1.3.3d-4
proftpd-dfsg
Debian:14
 before 1.3.3d-4
1.3.3d-4
proftpd-dfsg
Debian:6.0
 before 1.3.3a-6squeeze1, plus listed versions
1.3.3a-6
1.3.3a-6squeeze1
proftpd
openSUSE:Tumbleweed
 before 1.3.5b-2.5
1.3.5b-2.5

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBProFTPd - 'mod_sftp' Integer Overflow Denial of Service (PoC)2011-02-07

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-1137 is a medium vulnerability (CVSS 5.0) in Proftpd, published March 7, 2011. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 28.1%, the 98th percentile. Fixed in proftpd-dfsg 1.3.3d-4.

References

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