GHSA-w4vc-7rfv-99f6

GHSA-w4vc-7rfv-99f6 PUBLISHED CVSS 9.300000190734863 CRITICAL

Record from GitHub Advisory Database · Published May 1, 2022

Heap-based buffer overflow in the ReadPCXImage function in the PCX coder in coders/pcx.c in (1) ImageMagick 6.2.4-5 and 6.2.8-0 and (2) GraphicsMagick (aka gm) 1.1.7 allows user-assisted remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted .pcx file that triggers incorrect memory allocation for the scanline array, leading to memory corruption.

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 1, 2022 CVE Published
Apr 9, 2026 Security Advisory (3 in total, the first dated here)
Apr 30, 2026 Distribution Patch

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-w4vc-7rfv-99f6
vulnetix vdb fixes GHSA-w4vc-7rfv-99f6

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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-w4vc-7rfv-99f6/fixes/registry"

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References

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