GHSA-823x-6r7f-v9x6

GHSA-823x-6r7f-v9x6 PUBLISHED CVSS 8.199999809265137 HIGH

Record from GitHub Advisory Database · Published May 2, 2022

Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted HTTP request that is processed by a backtracking regular expression.

Risk scores

CVSS 4.0

8.199999809265137

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

Timeline

May 2, 2022 CVE Published
Apr 9, 2026 Security Advisory
Apr 30, 2026 Distribution Patch (2 in total, the first dated here)

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-823x-6r7f-v9x6
vulnetix vdb fixes GHSA-823x-6r7f-v9x6

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-823x-6r7f-v9x6/fixes/registry"

The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart

References

…and 11 more

Look up in the Resolve Platform →