MEDIUM
dnsmasq: multiple vulnerabilities in TFTP server
Published Sep 2, 2009
6.8
MEDIUMCVSS 2.0
EPSS 12.68%
Description
Heap-based buffer overflow in the tftp_request function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, might allow remote attackers to execute arbitrary code via a long filename in a TFTP packet, as demonstrated by a read (aka RRQ) request.
Affected products
No data.
OR
- ≤ 2.49
- 0.4
- 0.5
- 0.6
- 0.7
- 0.95
- 0.96
- 0.98
- 0.992
- 0.996
- 1.0
- 1.2
- 1.3
- 1.4
- 1.5
- 1.6
- 1.7
- 1.8
- 1.9
- 1.10
- 1.11
- 1.12
- 1.13
- 1.14
- 1.15
- 1.16
- 1.17
- 1.18
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
- 2.5
- 2.6
- 2.7
- 2.8
- 2.9
- 2.10
- 2.11
- 2.12
- 2.13
- 2.14
- 2.15
- 2.16
- 2.17
- 2.18
- 2.19
- 2.20
- 2.21
- 2.22
- 2.23
- 2.24
- 2.25
- 2.26
- 2.27
- 2.28
- 2.29
- 2.30
- 2.31
- 2.33
- 2.34
- 2.35
- 2.36
- 2.37
- 2.38
- 2.39
- 2.40
- 2.41
- 2.42
- 2.43
- 2.44
- 2.45
- 2.46
- 2.47
- 2.48
No data.
Red Hat Enterprise Linux 5
dnsmasq-0:2.45-1.1.el5_3
Fixed · RHSA-2009:1238
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | dnsmasq-0:2.45-1.1.el5_3 | Fixed | RHSA-2009:1238 |
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.
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
12.68% 0.12684
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.12684
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 2, 2026 | 12.68% (0.12684) | 96.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 12.68% (0.12684) | 95.74th | v5 (v2026.06.15) |
| Dec 1, 2025 | 8.53% (0.08525) | 92.08th | v4 (v2025.03.14) |
| Jul 5, 2025 | 5.54% (0.05535) | 89.79th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.14% (0.04143) | 87.57th | v4 (v2025.03.14) |
| Mar 29, 2025 | 10.12% (0.10124) | 88.41th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.14% (0.04143) | 87.88th | v4 (v2025.03.14) |
| Dec 17, 2024 | 12.34% (0.12340) | 95.39th | v3 (v2023.03.01) |
| Mar 2, 2024 | 26.91% (0.26913) | 96.62th | v3 (v2023.03.01) |
| Dec 6, 2023 | 28.92% (0.28919) | 96.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 31.45% (0.31446) | 96.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 11.27% (0.11270) | 95.02th | v2 (v2022.01.01) |
| Apr 1, 2022 | 11.27% (0.11270) | 94.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 11.27% (0.11270) | 88.71th | v2 (v2022.01.01) |
Weaknesses (1)
References (12)
- http://secunia.com/advisories/36563 third-party-advisoryx_refsource_SECUNIA
- http://www.coresecurity.com/content/dnsmasq-vulnerabilities x_refsource_MISCPatch
- http://www.redhat.com/support/errata/RHSA-2009-1238.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/36121 vdb-entryx_refsource_BIDPatch
- http://www.thekelleys.org.uk/dnsmasq/CHANGELOG x_refsource_CONFIRMVendor Advisory
- http://www.ubuntu.com/usn/USN-827-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2009-2957 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=519020 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2009-2957
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10538 vdb-entrysignaturex_refsource_OVAL
- https://rhn.redhat.com/errata/RHSA-2010-0095.html vendor-advisoryx_refsource_REDHAT
- https://www.cve.org/CVERecord?id=CVE-2009-2957
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/36563 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.coresecurity.com/content/dnsmasq-vulnerabilities | x_refsource_MISCPatch | |
| http://www.redhat.com/support/errata/RHSA-2009-1238.html | vendor-advisoryx_refsource_REDHAT | |
| http://www.securityfocus.com/bid/36121 | vdb-entryx_refsource_BIDPatch | |
| http://www.thekelleys.org.uk/dnsmasq/CHANGELOG | x_refsource_CONFIRMVendor Advisory | |
| http://www.ubuntu.com/usn/USN-827-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://access.redhat.com/security/cve/CVE-2009-2957 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=519020 | x_refsource_CONFIRMIssue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2009-2957 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10538 | vdb-entrysignaturex_refsource_OVAL | |
| https://rhn.redhat.com/errata/RHSA-2010-0095.html | vendor-advisoryx_refsource_REDHAT | |
| https://www.cve.org/CVERecord?id=CVE-2009-2957 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 2, 2009
Updated Aug 7, 2024
Reserved Aug 24, 2009
Link CVE-2009-2957
CISA Vulnrichment
Updated n/a