CVE-2018-5744

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

Description

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-5744.html

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-5744

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201902-25

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed1:9.11.5.P4+dfsg-1
debian debianbullseyefixed1:9.11.5.P4+dfsg-1
debian debianforkyfixed1:9.11.5.P4+dfsg-1
debian debiansidfixed1:9.11.5.P4+dfsg-1
debian debiantrixiefixed1:9.11.5.P4+dfsg-1
arch archfixed9.13.7-1
suse slesaffected

References

Verify integrity in audit chain (admin only). AS-IS.