GHSA-jcjc-m39p-5c5c

GHSA-jcjc-m39p-5c5c PUBLISHED CVSS 8.699999809265137 HIGH

Record from GitHub Advisory Database · Published May 17, 2022

XNU in the kernel in Apple iOS before 9 does not properly validate the headers of TCP packets, which allows remote attackers to bypass the sequence-number protection mechanism and cause a denial of service (TCP connection disruption) via a crafted header.

Risk scores

CVSS 4.0

8.699999809265137

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Timeline

May 17, 2022 CVE Published
Apr 9, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-jcjc-m39p-5c5c
vulnetix vdb fixes GHSA-jcjc-m39p-5c5c

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-jcjc-m39p-5c5c/fixes/registry"

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References

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