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openSUSE: 2023:0202-2 Critical: pdns-recursor Security Patch

opensuse
Calendar Grey May 2, 2023
Dist Opensuse Esm H88
openSUSE Security Patch: Urgent update for pdns-recursor tackling spoofing vulnerabilities. Apply urgently!
An update that fixes one vulnerability is now available

Description

This update for pdns-recursor fixes the following issues:

pdns-recursor was updated to 4.6.6:

* fixes deterred spoofing attempts can lead to authoritative servers being

marked unavailable (boo#1209897, CVE-2023-26437)

Fixes in 4.6.5:

* When an expired NSEC3 entry is seen, move it to the front

of the expiry queue

* Log invalid RPZ content when obtained via IXFR

* Detect invalid bytes in makeBytesFromHex()

* Timeout handling for IXFRs as a client

Fixes in 4.6.4:

* Check qperq limit if throttling happened, as it increases counters * Failure to retrieve DNSKEYs of an Insecure zone should not be fatal

* Resize answer length to actual received length in udpQueryResponse

Topics%20covered

Topics Covered

security advisory software update important spoofing openSUSE pdns-recursor

Patch

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Backports SLE-15-SP4:

zypper in -t patch openSUSE-2023-101=1

Package List

- openSUSE Backports SLE-15-SP4 (aarch64 ppc64le x86_64):

pdns-recursor-4.6.6-bp154.2.6.1

pdns-recursor-debuginfo-4.6.6-bp154.2.6.1

pdns-recursor-debugsource-4.6.6-bp154.2.6.1

References

https://www.suse.com/security/cve/CVE-2023-26437.html

https://bugzilla.suse.com/1209897

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2023:0101-1
Rating: important
Affected Products: openSUSE Backports SLE-15-SP4 .

Topics%20covered

Topics Covered

security advisory software update important spoofing openSUSE pdns-recursor

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