CVE-2018-16855
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductPowerdns Recursor
PublishedDec 3, 2018
First seenDec 3, 2018
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- powerdns recursor4.1.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| powerdns recursor | v < 4.1.8 | 4.1.8 |
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