CVE-2008-4099
PyDNS (aka python-dns) before 2.3.1-4 in Debian GNU/Linux does not use random source ports or...
CVE-2008-4099 is a medium vulnerability (CVSS 6.4) in Debian Python-dns, published July 27, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.28%, the 83rd percentile. Fixed in python-dns 2.3.0-5.2+etch1.
PyDNS (aka python-dns) before 2.3.1-4 in Debian GNU/Linux does not use random source ports or transaction IDs for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447.
Exploit likelihood
What each source reports
NVD Score used
PyDNS (aka python-dns) before 2.3.1-4 in Debian GNU/Linux does not use random source ports or transaction IDs for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447.
- Record
CVE-2008-4099- CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:P - Weakness
- CWE-16
- Updated
- 2026-11-02
CVE List No score
PyDNS (aka python-dns) before 2.3.1-4 in Debian GNU/Linux does not use random source ports or transaction IDs for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447.
- Record
CVE-2008-4099- Updated
- 2026-11-02
EUVDEUVD-2008-4083 No score
PyDNS (aka python-dns) before 2.3.1-4 in Debian GNU/Linux does not use random source ports or transaction IDs for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447.
- Record
EUVD-2008-4083- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9547-8gx6-787g No score
PyDNS (aka python-dns) before 2.3.1-4 in Debian GNU/Linux does not use random source ports or...
PyDNS (aka python-dns) before 2.3.1-4 in Debian GNU/Linux does not use random source ports or transaction IDs for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447.
- Record
GHSA-9547-8gx6-787g- Updated
- 2026-11-02
OSV No score
PyDNS (aka python-dns) before 2.3.1-4 in Debian GNU/Linux does not use random source ports or transaction IDs for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447.
- Record
CVE-2008-4099- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
python-dnsDebian:4.0 |
before 2.3.0-5.2+etch1, plus listed versions 2.3.0-5.1 |
2.3.0-5.2+etch1 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | affected | |
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |