OSV-2021-1807
Heap-use-after-free in dhcp6_no_relay
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44573
Crash type: Heap-use-after-free WRITE 1
Crash state:
dhcp6_no_relay
dhcp6_maybe_relay
dhcp6_maybe_relay
What each source reports
OSV No score
Heap-use-after-free in dhcp6_no_relay
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44573
Crash type: Heap-use-after-free WRITE 1
Crash state:
dhcp6_no_relay
dhcp6_maybe_relay
dhcp6_maybe_relay
- Record
OSV-2021-1807- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
dnsmasqOSS-Fuzz |
Listed versions, plus commit ranges v2.86v2.86rc1v2.86rc2v2.86rc3v2.86test5 Show 10 moreShow lessv2.86test6v2.86test7v2.87test1v2.87test2v2.87test3v2.87test4v2.87test5v2.87test6v2.87test7v2.87test8 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2021-1807 is a vulnerability with no CVSS score yet in dnsmasq, published February 13, 2022. No source lists public exploit code. A source reports a fix.