RLSA-2021:1853

Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2021:1853.json
Related
Published
2021-05-18T06:15:09Z
Modified
2023-02-02T14:10:31.824035Z
Summary
Moderate: unbound security, bug fix, and enhancement update
Details

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.

Security Fix(es):

  • unbound: integer overflow in the regional allocator via regional_alloc (CVE-2019-25032)

  • unbound: integer overflow in sldnsstr2wirednamebuforigin can lead to an out-of-bounds write (CVE-2019-25034)

  • unbound: out-of-bounds write in sldnsbgettoken_par (CVE-2019-25035)

  • unbound: assertion failure and denial of service in synth_cname (CVE-2019-25036)

  • unbound: assertion failure and denial of service in dnamepktcopy via an invalid packet (CVE-2019-25037)

  • unbound: integer overflow in a size calculation in dnscrypt/dnscrypt.c (CVE-2019-25038)

  • unbound: integer overflow in a size calculation in respip/respip.c (CVE-2019-25039)

  • unbound: infinite loop via a compressed name in dnamepktcopy (CVE-2019-25040)

  • unbound: assertion failure via a compressed name in dnamepktcopy (CVE-2019-25041)

  • unbound: out-of-bounds write via a compressed name in rdata_copy (CVE-2019-25042)

  • unbound: symbolic link traversal when writing PID file (CVE-2020-28935)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.4 Release Notes linked from the References section.

References

Affected packages

Rocky Linux:8 / unbound

Package

Name
unbound

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0The exact introduced commit is unknown
Fixed
0:1.7.3-15.el8