OSV-2021-933.yaml

id: OSV-2021-933
summary: Heap-buffer-overflow in print_mac
details: |
  OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35887

  ```
  Crash type: Heap-buffer-overflow WRITE 4
  Crash state:
  print_mac
  log_packet
  dhcp_reply
  ```
modified: '2022-04-13T03:04:31.143462Z'
published: '2021-07-08T00:01:26.369555Z'
references:
- type: REPORT
  url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35887
affected:
- package:
    name: dnsmasq
    ecosystem: OSS-Fuzz
  ranges:
  - type: GIT
    repo: git://thekelleys.org.uk/dnsmasq.git
    events:
    - introduced: 96f6444958c29a670f4254722d787f328153605c
    - fixed: d242cbffa4f20c9f7472f79b3a9e47008b6fe77c
  versions:
  - v2.86
  - v2.86rc1
  - v2.86rc2
  - v2.86rc3
  - v2.86test5
  - v2.86test6
  - v2.86test7
  - v2.87test1
  - v2.87test2
  - v2.87test3
  - v2.87test4
  ecosystem_specific:
    severity: HIGH