Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libnet-dns-perl | 0.60-1 | — |
| Debian 13 | libnet-dns-perl | 0.60-1 | — |
| Debian 12 | libnet-dns-perl | 0.60-1 | — |
| Debian 4.0 | libnet-dns-perl | 0.59-1etch1 | DSA-1515-1 |
| Debian 3.1 | libnet-dns-perl | 0.48-1sarge1 | DSA-1515-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | perl-Net-DNS | 0.59-3.el5 | RHSA-2007:0674 |
| RHEL 3 | perl-Net-DNS | 0.31-4.el3 | RHSA-2007:0674 |
Advisories 2
- RHSA-2007:0674 Red Hat Security Advisory: perl-Net-DNS security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1515-1 libnet-dns-perl - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- 26231 third-party-advisory
- 26417 third-party-advisory
- 29354 third-party-advisory
- 26014 third-party-advisory
- 26012 third-party-advisory
- http://rt.cpan.org/Public/Bug/Display.html?id=27285
- oval:org.mitre.oval:def:10595 vdb-entry signature
- DSA-1515 vendor-advisory
- http://www.net-dns.org/docs/Changes.html
- 1018376 vdb-entry
- SUSE-SR:2007:017 vendor-advisory
- 26543 third-party-advisory
- USN-483-1 vendor-advisory
- 2007-0023 vendor-advisory
- MDKSA-2007:146 vendor-advisory
- RHSA-2007:0674 vendor-advisory
- 26055 third-party-advisory
- 26211 third-party-advisory
- 26075 third-party-advisory
- 24669 vdb-entry
- 37054 vdb-entry
- 25829 third-party-advisory
- GLSA-200708-06 vendor-advisory
- 20070717 rPSA-2007-0142-1 perl-Net-DNS mailing-list