GHSA-655r-4xf7-h526

GHSA-655r-4xf7-h526 PUBLISHED CVSS 9.300000190734863 CRITICAL

Record from GitHub Advisory Database · Published May 3, 2022

Integer overflow in the AllocateGlyph function in the Render extension in the X server 1.4 in X.Org X11R7.3 allows context-dependent attackers to execute arbitrary code via unspecified request fields that are used to calculate a heap buffer size, which triggers a heap-based buffer overflow.

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 3, 2022 CVE Published
Apr 9, 2026 Distribution Patch (2 in total, the first dated here)
Apr 30, 2026 Security Advisory

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The same record, from the CLI:

vulnetix vdb vuln GHSA-655r-4xf7-h526
vulnetix vdb fixes GHSA-655r-4xf7-h526

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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-655r-4xf7-h526/fixes/registry"

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References

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