CVE-2021-40812

Medium

Published: 08 September 2021

Published

08 September 2021

Modified

21 November 2024

KEV Added

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Patch

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CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Score 0.0014 33.8th percentile

Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-40812 is a medium-severity Out-of-bounds Read (CWE-125) vulnerability in Libgd Libgd. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 33.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The GD Graphics Library (aka LibGD) through 2.3.2 has an out-of-bounds read because of the lack of certain gdGetBuf and gdPutBuf return value checks.

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

libgd

≤ 2.3.2

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.