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CVE-2020-15503

LibRaw: lack of thumbnail size range check can lead to buffer overflow

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Severity

Low

Red Hat Product Security

4

CVSS 3.1

Review impact separately from score.

Published · June 22, 2020

Updated · November 22, 2025

Description

LibRaw before 0.20-RC1 lacks a thumbnail size range check. This affects decoders/unpack_thumb.cpp, postprocessing/mem_image.cpp, and utils/thumb_utils.cpp. For example, malloc(sizeof(libraw_processed_image_t)+T.tlength) occurs without validating T.tlength.

Statement

While the vulnerable code exists in versions of LibRaw shipped with Red Hat Enterprise Linux 7 and 8, LibRaw is not used in services which accept data directly from a network, reducing impact.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 4
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')