OSV-2026-98
Heap-buffer-overflow in hostname_issubdomain
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=476539622
Crash type: Heap-buffer-overflow READ 1
Crash state:
hostname_issubdomain
fuzz_util.c
What each source reports
OSV No score
Heap-buffer-overflow in hostname_issubdomain
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=476539622
Crash type: Heap-buffer-overflow READ 1
Crash state:
hostname_issubdomain
fuzz_util.c
- Record
OSV-2026-98- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
dnsmasqOSS-Fuzz |
Listed versions, plus commit ranges v2.93test1v2.93test2v2.93test3v2.93test4v2.93test5v2.93test6 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2026-98 is a vulnerability with no CVSS score yet in dnsmasq, published January 21, 2026. No source lists public exploit code. A source reports a fix.