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Fencer Vulns
high 7.5

CVE-2007-3409 json

Net::DNS before 0.60, a Perl module, allows remote attackers to cause a denial of service (stack consumption) via a malformed compressed DN…

published 2007-06-26 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-3395

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.5%
EPSS 3.5% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

Net::DNS before 0.60, a Perl module, allows remote attackers to cause a denial of service (stack consumption) via a malformed compressed DNS packet with self-referencing pointers, which triggers an infinite loop.

Patch / fix

  • net-dns net::dns 0.60
  • libnet-dns-perl Debian 14, Debian 13, Debian 12 0.60-1

debian advisories DEBIAN-CVE-2007-3409

  • perl-Net-DNS RHEL 3 0.31-4.el3
  • perl-Net-DNS RHEL 5 0.59-3.el5

red hat advisories RHSA-2007:0674

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-3409 updated

Net:: DNS denial of service

  • Red Hat Desktop version 3 perl-Net-DNS 0.31-4.el3 Red Hat Enterprise Linux (v. 5 server) perl-Net-DNS 0.59-3.el5 Red Hat Enterprise Linux AS version 3 perl-Net-DNS 0.31-4.el3 Red Hat Enterprise Linux Desktop (v. 5 client) perl-Net-DNS 0.59-3.el5 Red Hat Enterprise Linux ES version 3 perl-Net-DNS 0.31-4.el3 Red Hat Enterprise Linux WS version 3 perl-Net-DNS 0.31-4.el3
    fixed: vendor fix RHSA-2007:0674

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

3.49% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.