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Vulnerability record · CVE-2011-0530 · published 22 February 2011

CVE-2011-0530: Wouter verhelst nbd memory buffer overflow vulnerability

WWouter Verhelst · Nbd

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.

7.5 CVSS 2.0 High EPSS 5.3% · top 7.7% CWE-119 · Memory buffer overflow
7.5CVSS 2.0 base score
5.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
34References
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=611187
http://lists.fedoraproject.org/pipermail/package-announce/2011-February/054071.html Patch
http://lists.fedoraproject.org/pipermail/package-announce/2011-February/054083.html Patch
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
http://openwall.com/lists/oss-security/2011/01/28/3 Patch
http://openwall.com/lists/oss-security/2011/01/31/7 Patch
http://secunia.com/advisories/43353 Vendor Advisory
http://secunia.com/advisories/43610
http://security.gentoo.org/glsa/glsa-201206-35.xml
http://www.debian.org/security/2011/dsa-2183
http://www.securityfocus.com/bid/46572
http://www.vupen.com/english/advisories/2011/0403 Vendor Advisory
http://www.vupen.com/english/advisories/2011/0582
https://bugzilla.redhat.com/show_bug.cgi?id=673562 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/65720
https://github.com/yoe/nbd/commit/3ef52043861ab16352d49af89e048ba6339d6df8 Patch
https://hermes.opensuse.org/messages/8086846
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=611187
http://lists.fedoraproject.org/pipermail/package-announce/2011-February/054071.html Patch
http://lists.fedoraproject.org/pipermail/package-announce/2011-February/054083.html Patch
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
http://openwall.com/lists/oss-security/2011/01/28/3 Patch
http://openwall.com/lists/oss-security/2011/01/31/7 Patch
http://secunia.com/advisories/43353 Vendor Advisory
http://secunia.com/advisories/43610
http://security.gentoo.org/glsa/glsa-201206-35.xml
http://www.debian.org/security/2011/dsa-2183
http://www.securityfocus.com/bid/46572
http://www.vupen.com/english/advisories/2011/0403 Vendor Advisory
http://www.vupen.com/english/advisories/2011/0582
https://bugzilla.redhat.com/show_bug.cgi?id=673562 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/65720
https://github.com/yoe/nbd/commit/3ef52043861ab16352d49af89e048ba6339d6df8 Patch
https://hermes.opensuse.org/messages/8086846

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2011-0530), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.