Unrated severityNVD Advisory· Published Aug 18, 2021· Updated Sep 17, 2024
A too-strict assertion check could be triggered when responses in BIND 9.16.19 and 9.17.16 require UDP fragmentation if RRL is in use
CVE-2021-25218
Description
In BIND 9.16.19, 9.17.16. Also, version 9.16.19-S1 of BIND Supported Preview Edition When a vulnerable version of named receives a query under the circumstances described above, the named process will terminate due to a failed assertion check. The vulnerability affects only BIND 9 releases 9.16.19, 9.17.16, and release 9.16.19-S1 of the BIND Supported Preview Edition.
Affected products
18- osv-coords17 versionspkg:apk/chainguard/bindpkg:apk/chainguard/bind-devpkg:apk/chainguard/bind-dnssec-rootpkg:apk/chainguard/bind-dnssec-toolspkg:apk/chainguard/bind-docpkg:apk/chainguard/bind-libspkg:apk/chainguard/bind-pluginspkg:apk/chainguard/bind-toolspkg:apk/wolfi/bindpkg:apk/wolfi/bind-devpkg:apk/wolfi/bind-dnssec-rootpkg:apk/wolfi/bind-dnssec-toolspkg:apk/wolfi/bind-docpkg:apk/wolfi/bind-libspkg:apk/wolfi/bind-pluginspkg:apk/wolfi/bind-toolspkg:rpm/opensuse/bind&distro=openSUSE%20Tumbleweed
< 0+ 16 more
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 9.16.20-1.4
- ISC/BIND9v5Range: Stable Branch 9.16.19
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
5- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZPJCLGSR4BTGFLBLGIE5TEQP2SNJKGVL/mitrevendor-advisoryx_refsource_FEDORA
- www.openwall.com/lists/oss-security/2021/08/18/3mitremailing-listx_refsource_MLIST
- www.openwall.com/lists/oss-security/2021/08/20/2mitremailing-listx_refsource_MLIST
- kb.isc.org/v1/docs/cve-2021-25218mitrex_refsource_CONFIRM
- security.netapp.com/advisory/ntap-20210909-0002/mitrex_refsource_CONFIRM
News mentions
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