CVE-2018-16855
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
An issue has been found in PowerDNS Recursor before version 4.1.8 where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while computing the hash of the query for a packet cache lookup, possibly leading to a crash.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-16855
Vendor advisory: arch — https://security.archlinux.org/ASA-201811-21
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 4.1.8-1 | |
| debian | bookworm | fixed | 4.1.8-1 |
| debian | bullseye | fixed | 4.1.8-1 |
| debian | forky | fixed | 4.1.8-1 |
| debian | sid | fixed | 4.1.8-1 |
| debian | trixie | fixed | 4.1.8-1 |
References
Verify integrity in audit chain (admin only). AS-IS.