Buffer overflow in the Network Block Device (nbd) server 2.7.5 and earlier, and 2.8.0 through 2.8.2, allows remote attackers to execute arbitrary code via a large request, which is written past the end of the buffer because nbd does not account for memory taken by the reply header
Published Dec 22, 2005
7.5
HIGHCVSS 2.0
EPSS 5.99%
Description
Buffer overflow in the Network Block Device (nbd) server 2.7.5 and earlier, and 2.8.0 through 2.8.2, allows remote attackers to execute arbitrary code via a large request, which is written past the end of the buffer because nbd does not account for memory taken by the reply header.
Affected products
No data.
- ≤ 2.7.5
- 2.8.0
- 2.8.2
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.99% (0.05988) | 93.09th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.99% (0.05988) | 92.35th | v5 (v2026.06.15) |
| Jun 26, 2025 | 13.89% (0.13886) | 93.96th | v4 (v2025.03.14) |
| Mar 29, 2025 | 10.67% (0.10673) | 88.79th | v4 (v2025.03.14) |
| Mar 17, 2025 | 11.78% (0.11776) | 93.15th | v4 (v2025.03.14) |
| Dec 12, 2024 | 16.43% (0.16428) | 96.19th | v3 (v2023.03.01) |
| Nov 28, 2024 | 16.43% (0.16428) | 96.17th | v3 (v2023.03.01) |
| Aug 28, 2023 | 21.42% (0.21424) | 95.81th | v3 (v2023.03.01) |
| Mar 7, 2023 | 16.57% (0.16571) | 95.12th | 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 (16)
- http://bugs.gentoo.org/show_bug.cgi?id=116314 x_refsource_MISC
- http://secunia.com/advisories/18135 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/18171 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/18209 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/18315 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/18503 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/43353 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/43610 third-party-advisoryx_refsource_SECUNIA
- http://sourceforge.net/mailarchive/forum.php?thread_id=9201144&forum_id=40388 x_refsource_MISC
- http://sourceforge.net/project/shownotes.php?release_id=380202&group_id=13229 x_refsource_CONFIRMPatch
- http://sourceforge.net/project/shownotes.php?release_id=380210&group_id=13229 x_refsource_CONFIRMPatch
- http://www.debian.org/security/2005/dsa-924 vendor-advisoryx_refsource_DEBIANPatchVendor Advisory
- http://www.gentoo.org/security/en/glsa/glsa-200512-14.xml vendor-advisoryx_refsource_GENTOOPatchVendor Advisory
- http://www.osvdb.org/21848 vdb-entryx_refsource_OSVDBPatch
- http://www.securityfocus.com/bid/16029 vdb-entryx_refsource_BIDPatch
- https://usn.ubuntu.com/237-1/ vendor-advisoryx_refsource_UBUNTU
Change history (0)
No recorded changes yet.