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
Published Feb 22, 2011
7.5
HIGHCVSS 2.0
EPSS 5.28%
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.
Affected products
No data.
- ≤ 2.9.19
- 2.9.0
- 2.9.1
- 2.9.2
- 2.9.3
- 2.9.4
- 2.9.5
- 2.9.6
- 2.9.7
- 2.9.8
- 2.9.9
- 2.9.10
- 2.9.11
- 2.9.12
- 2.9.13
- 2.9.14
- 2.9.15
- 2.9.16
- 2.9.17
- 2.9.18
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.28% (0.05278) | 92.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.28% (0.05278) | 91.48th | v5 (v2026.06.15) |
| Aug 24, 2025 | 10.00% (0.09996) | 92.75th | v4 (v2025.03.14) |
| Mar 30, 2025 | 7.89% (0.07887) | 91.21th | v4 (v2025.03.14) |
| Mar 29, 2025 | 13.45% (0.13453) | 90.32th | v4 (v2025.03.14) |
| Mar 17, 2025 | 7.89% (0.07887) | 91.40th | v4 (v2025.03.14) |
| Dec 17, 2024 | 25.19% (0.25193) | 96.68th | v3 (v2023.03.01) |
| Oct 13, 2023 | 26.20% (0.26204) | 96.17th | v3 (v2023.03.01) |
| Aug 23, 2023 | 23.38% (0.23378) | 95.95th | v3 (v2023.03.01) |
| May 7, 2023 | 21.15% (0.21149) | 95.68th | v3 (v2023.03.01) |
| Mar 7, 2023 | 20.94% (0.20939) | 95.60th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.25% (0.12248) | 95.30th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.25% (0.12248) | 94.93th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.25% (0.12248) | 89.34th | v2 (v2022.01.01) |
References (17)
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=611187 x_refsource_CONFIRM
- http://lists.fedoraproject.org/pipermail/package-announce/2011-February/054071.html vendor-advisoryx_refsource_FEDORAPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-February/054083.html vendor-advisoryx_refsource_FEDORAPatch
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html vendor-advisoryx_refsource_SUSE
- http://openwall.com/lists/oss-security/2011/01/28/3 mailing-listx_refsource_MLISTPatch
- http://openwall.com/lists/oss-security/2011/01/31/7 mailing-listx_refsource_MLISTPatch
- http://secunia.com/advisories/43353 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/43610 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-201206-35.xml vendor-advisoryx_refsource_GENTOO
- http://www.debian.org/security/2011/dsa-2183 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/46572 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2011/0403 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2011/0582 vdb-entryx_refsource_VUPEN
- https://bugzilla.redhat.com/show_bug.cgi?id=673562 x_refsource_CONFIRMPatch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65720 vdb-entryx_refsource_XF
- https://github.com/yoe/nbd/commit/3ef52043861ab16352d49af89e048ba6339d6df8 x_refsource_CONFIRMPatch
- https://hermes.opensuse.org/messages/8086846 vendor-advisoryx_refsource_SUSE
Change history (0)
No recorded changes yet.