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CVE-2011-0530

Buffer overflow in the mainloop function in nbd-server.c in the server in Network Block Device ...

7.5 HighFix available

Buffer overflow in the mainloop function in nbd-server.c in the server in Network Block Device (nbd) before 2.9.20 might allow remote attackers to execute arbitrary code via a long request. NOTE: this issue exists because of a CVE-2005-3534 regression.

Exploit likelihood

5.28%Down 7.0 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

Buffer overflow in the mainloop function in nbd-server.c in the server in Network Block Device (nbd) before 2.9.20 might allow remote attackers to execute arbitrary code via a long request. NOTE: this issue exists because of a CVE-2005-3534 regression.

Record
CVE-2011-0530
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-119
Updated
2026-11-02
CVE List No score

Buffer overflow in the mainloop function in nbd-server.c in the server in Network Block Device (nbd) before 2.9.20 might allow remote attackers to execute arbitrary code via a long request. NOTE: this issue exists because of a CVE-2005-3534 regression.

Record
CVE-2011-0530
Updated
2026-11-02
EUVDEUVD-2011-0549 No score

Buffer overflow in the mainloop function in nbd-server.c in the server in Network Block Device (nbd) before 2.9.20 might allow remote attackers to execute arbitrary code via a long request. NOTE: this issue exists because of a CVE-2005-3534 regression.

Record
EUVD-2011-0549
Updated
2026-11-03
GitHub AdvisoriesGHSA-8p8p-8qmp-rfr2 No score

Buffer overflow in the mainloop function in nbd-server.c in the server in Network Block Device ...

Buffer overflow in the mainloop function in nbd-server.c in the server in Network Block Device (nbd) before 2.9.20 might allow remote attackers to execute arbitrary code via a long request. NOTE: this issue exists because of a CVE-2005-3534 regression.

Record
GHSA-8p8p-8qmp-rfr2
Weakness
CWE-119
Updated
2026-11-02
OSV No score

Buffer overflow in the mainloop function in nbd-server.c in the server in Network Block Device (nbd) before 2.9.20 might allow remote attackers to execute arbitrary code via a long request. NOTE: this issue exists because of a CVE-2005-3534 regression.

Record
CVE-2011-0530
Updated
2026-11-02
OSVDEBIAN-CVE-2011-0530 No score

Buffer overflow in the mainloop function in nbd-server.c in the server in Network Block Device (nbd) before 2.9.20 might allow remote attackers to execute arbitrary code via a long request. NOTE: this issue exists because of a CVE-2005-3534 regression.

Record
DEBIAN-CVE-2011-0530
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
nbd
Debian:12
before 1:2.9.16-8
1:2.9.16-8
nbd
Debian:13
before 1:2.9.16-8
1:2.9.16-8
nbd
Debian:14
before 1:2.9.16-8
1:2.9.16-8
nbd
Debian:5.0
before 1:2.9.11-3lenny1, plus listed versions
1:2.9.11-3
1:2.9.11-3lenny1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2011-0530 is a high vulnerability (CVSS 7.5) in Wouter Verhelst Nbd, published February 22, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.28%, the 92nd percentile. Fixed in nbd 1:2.9.16-8.

References

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