Description
Use-after-free vulnerability in ISC BIND 9.3.0 up to 9.3.3, 9.4.0a1 up to 9.4.0a6, 9.4.0b1 up to 9.4.0b4, 9.4.0rc1, and 9.5.0a1 (Bind Forum only) allows remote attackers to cause a denial of service (named daemon crash) via unspecified vectors that cause named to "dereference a freed fetch context."
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 | bind9 | 1:9.3.4-2 | — |
| Debian 13 | bind9 | 1:9.3.4-2 | — |
| Debian 12 | bind9 | 1:9.3.4-2 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | bind +7 | 30:9.3.3-8.el5 | RHSA-2007:0057 |
Advisories 1
- RHSA-2007:0057 Red Hat Security Advisory: bind security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- SSRT061273 vendor-advisory
- http://docs.info.apple.com/article.html?artnum=305530
- GLSA-200702-06 vendor-advisory
- 24129 third-party-advisory
- 24048 third-party-advisory
- ADV-2007-1939 vdb-entry
- FreeBSD-SA-07:02 vendor-advisory
- SSRT071304 vendor-advisory
- OpenPKG-SA-2007.007 vendor-advisory
- NetBSD-SA2007-003 vendor-advisory
- 23943 third-party-advisory
- MDKSA-2007:030 vendor-advisory
- RHSA-2007:0057 vendor-advisory
- 2007-0005 vendor-advisory
- APPLE-SA-2007-05-24 vendor-advisory
- 25402 third-party-advisory
- 25649 third-party-advisory
- 24930 third-party-advisory
- ADV-2007-2163 vdb-entry
- FEDORA-2007-164 vendor-advisory
- 23977 third-party-advisory
- http://www.isc.org/index.pl?/sw/bind/view/?release=9.2.8
- http://www.isc.org/index.pl?/sw/bind/bind-security.php
- USN-418-1 vendor-advisory
- 24203 third-party-advisory
- 24014 third-party-advisory
- 24054 third-party-advisory
- 23974 third-party-advisory
- ADV-2007-2315 vdb-entry
- 20070125 BIND remote exploit (low severity) [Fwd: Internet Systems Consortium Security Advisory.] mailing-list
- SUSE-SA:2007:014 vendor-advisory
- https://issues.rpath.com/browse/RPL-989
- http://www.isc.org/index.pl?/sw/bind/view/?release=9.3.4
- https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04952488
- [bind-announce] 20070125 Internet Systems Consortium Security Advisory. mailing-list
- ADV-2007-1401 vdb-entry
- FEDORA-2007-147 vendor-advisory
- 23904 third-party-advisory
- 22229 vdb-entry
- ADV-2007-0349 vdb-entry
- 20070125 BIND remote exploit (low severity) [Fwd: Internet Systems Consortium Security Advisory.] mailing-list
- 1017561 vdb-entry
- 23924 third-party-advisory
- oval:org.mitre.oval:def:9614 vdb-entry signature
- SSA:2007-026-01 vendor-advisory
- 24950 third-party-advisory
- 23972 third-party-advisory