| Name | CVE-2020-19860 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2910-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ldns (PTS) | bullseye | 1.7.1-2 | vulnerable |
| bookworm | 1.8.3-1 | fixed |
| trixie | 1.8.4-1 | fixed |
| sid | 1.8.4-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| ldns | source | stretch | 1.7.0-1+deb9u1 | | DLA-2910-1 | |
| ldns | source | (unstable) | 1.8.1-1 | | | |
Notes
[bullseye] - ldns <no-dsa> (Minor issue)
[buster] - ldns <no-dsa> (Minor issue)
https://github.com/NLnetLabs/ldns/issues/50
https://github.com/NLnetLabs/ldns/commit/15d96206996bea969fbc918eb0a4a346f514b9f3 (1.8.0-rc.1)
https://github.com/NLnetLabs/ldns/commit/4e9861576a600a5ecfa16ec2de853c90dd9ce276 (1.8.0-rc.1)