GHSA-f5xf-4m7c-g877

GHSA-f5xf-4m7c-g877 PUBLISHED CVSS 9.300000190734863 CRITICAL

Record from GitHub Advisory Database · Published May 17, 2022

Use-after-free vulnerability in DirectionalityUtils.cpp in Mozilla Firefox before 33.0, Firefox ESR 31.x before 31.2, and Thunderbird 31.x before 31.2 allows remote attackers to execute arbitrary code via text that is improperly handled during the interaction between directionality resolution and layout.

Risk scores

CVSS 4.0

9.300000190734863

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

Timeline

May 17, 2022 CVE Published
Apr 9, 2026 Distribution Patch (4 in total, the first dated here)
Apr 30, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-f5xf-4m7c-g877
vulnetix vdb fixes GHSA-f5xf-4m7c-g877

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-f5xf-4m7c-g877/fixes/registry"

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

References

…and 8 more

Look up in the Resolve Platform →