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GHSA-gq5v-qf8q-fp77Published

ImageMagick: Heap-based Buffer Overflow in GetPixelIndex due to metadata-cache desynchronization

Exact source revision recorded 23 Oct 2026 16:01:25 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

osv · GHSA-gq5v-qf8q-fp77

Published

`OpenPixelCache` updates image channel metadata **before** attempting pixel cache memory allocation. When both memory and disk allocation fail a heap-buffer-overflow read in occurs in any writer that calls `GetPixelIndex`.

Source published
25 Feb 2026 19:15:56 UTC
Source modified
9 Jul 2026 04:11:39 UTC
Observed here
23 Oct 2026 16:01:25 UTC
Source terms
GitHub Advisory Database · CC-BY-4.0

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: osv · GitHub Advisory Database · CC-BY-4.0. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS_V3 · CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:L

Publisher rating · LOW

ChangeIntel

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Sources read 7 Nov 05:48 UTC · 275 of 275 readable · 274 fully read · documentation 469/469 current

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