CVE-2026-88387

LibRaw 0.22.0 contains an incorrect numeric conversion vulnerability in LibRaw::parse_tiff_ifd() when processing TIFF tag 0x00fe (NewSubfileType). A specially crafted RAW, TIFF, or DNG file can supply an attacker-controlled NewSubfileType value outside the range of a signed int. The parser converts this value and narrows it to int without performing range validation. This out-of-range conversion triggers undefined behavior, resulting in process termination and denial of service.

• CWE-681

• https://github.com/LibRaw/LibRaw/commit/b41cbbd61951783e0440590dae55411a16185bdf
• https://github.com/LibRaw/LibRaw/issues/844
• https://github.com/LibRaw/LibRaw/pull/853
• https://github.com/LibRaw/LibRaw/issues/844

Published

Sep 24, 2026

Last Modified

Sep 29, 2026

Status

Deferred

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