critical9.8
CVE-2019-25034
Unbound before 1.9.5 allows an integer overflow in sldns_str2wire_dname_buf_origin, leading to an out-of-bounds write.
Impact
Unbound before 1.9.5 allows an integer overflow in sldns_str2wire_dname_buf_origin, leading to an out-of-bounds write. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nlnetlabs | Unbound | before 1.9.5 |
| Debian | Debian Linux | Version 9.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html
- https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/
- https://security.netapp.com/advisory/ntap-20210507-0007/
- https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html
- https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/
- https://security.netapp.com/advisory/ntap-20210507-0007/