Description
When ldns version 1.7.1 verifies a zone file, the ldns_rr_new_frm_str_internal function has a heap out of bounds read vulnerability. An attacker can leak information on the heap by constructing a zone file payload.
References (2)
Core 2
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/NLnetLabs/ldns/issues/50
Patch, Third Party Advisory x_refsource_misc
https://github.com/NLnetLabs/ldns/commit/15d96206996bea969fbc918eb0a4a346f514b9f3
Scores
CVSS v3
6.5
EPSS
0.0037
EPSS Percentile
58.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Details
CWE
CWE-125
Status
published
Products (1)
nlnetlabs/ldns
1.7.1
Published
Jan 21, 2022
Tracked Since
Feb 18, 2026