CVE-2018-5744

libisccc160: A failure to free memory can occur when processing messages having a specific combination of EDNS options

CVE-2018-5744 is fixed in 16 products on 1 platform, first by bind9 1:9.11.3+dfsg-1ubuntu1.5, released February 20, 2019. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0345
89th percentile

A failure to free memory can occur when processing messages having a specific combination of EDNS options. Versions affected are: BIND 9.10.7 -> 9.10.8-P1, 9.11.3 -> 9.11.5-P1, 9.12.0 -> 9.12.3-P1, and versions 9.10.7-S1 -> 9.11.5-S3 of BIND 9 Supported Preview Edition. Versions 9.13.0 -> 9.13.6 of the 9.13 development branch are also affected.

Where it's fixed

ProductFixed inFixReleased
Linux
bind9 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.5 bind9 1:9.11.3+dfsg-1ubuntu1.5 Feb 20, 2019
bind9-host · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.5 bind9-host 1:9.11.3+dfsg-1ubuntu1.5 Feb 20, 2019
bind9utils · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.5 bind9utils 1:9.11.3+dfsg-1ubuntu1.5 Feb 20, 2019
dnsutils · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.5 dnsutils 1:9.11.3+dfsg-1ubuntu1.5 Feb 20, 2019
libbind9-160 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.5 libbind9-160 1:9.11.3+dfsg-1ubuntu1.5 Feb 20, 2019
libdns-export1100 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.5 libdns-export1100 1:9.11.3+dfsg-1ubuntu1.5 Feb 20, 2019
libdns1100 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.5 libdns1100 1:9.11.3+dfsg-1ubuntu1.5 Feb 20, 2019
libirs-export160 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.5 libirs-export160 1:9.11.3+dfsg-1ubuntu1.5 Feb 20, 2019
libirs160 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.5 libirs160 1:9.11.3+dfsg-1ubuntu1.5 Feb 20, 2019
libisc-export169 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.5 libisc-export169 1:9.11.3+dfsg-1ubuntu1.5 Feb 20, 2019
libisc169 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.5 libisc169 1:9.11.3+dfsg-1ubuntu1.5 Feb 20, 2019
libisccc-export160 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.5 libisccc-export160 1:9.11.3+dfsg-1ubuntu1.5 Feb 20, 2019
libisccc160 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.5 libisccc160 1:9.11.3+dfsg-1ubuntu1.5 Feb 20, 2019
libisccfg-export160 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.5 libisccfg-export160 1:9.11.3+dfsg-1ubuntu1.5 Feb 20, 2019
libisccfg160 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.5 libisccfg160 1:9.11.3+dfsg-1ubuntu1.5 Feb 20, 2019
liblwres160 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.5 liblwres160 1:9.11.3+dfsg-1ubuntu1.5 Feb 20, 2019