Описание
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.4.0 through 3.4.9, 3.3.0 through 3.3.9, and 3.2.0 through 3.2.7, internal_dwa_compressor.h:1040 performs chan->width * chan->bytes_per_element in int32 arithmetic without a (size_t) cast. This is the same overflow pattern fixed in other decoders by CVE-2026-34589/34588/34544, but this line was missed. Versions 3.4.10, 3.3.10, and 3.2.8 contain a fix that addresses internal_dwa_compressor.h:1040.
A flaw was found in OpenEXR, a library for the EXR image file format. An integer overflow vulnerability exists in the internal_dwa_compressor.h component during the calculation of image channel dimensions. This issue, caused by insufficient handling of int32 arithmetic, could allow a local attacker to cause memory corruption by enticing a user to open a specially crafted EXR file. This may lead to a denial of service or potentially more severe impacts.
Меры по смягчению последствий
To mitigate this issue, users should avoid opening or processing untrusted EXR image files. If processing EXR files is necessary, ensure they originate from trusted sources. This operational control reduces the risk of a local attacker exploiting the integer overflow vulnerability.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 10 | openexr | Fix deferred | ||
| Red Hat Enterprise Linux 6 | OpenEXR | Fix deferred | ||
| Red Hat Enterprise Linux 7 | OpenEXR | Fix deferred | ||
| Red Hat Enterprise Linux 8 | OpenEXR | Fix deferred | ||
| Red Hat Enterprise Linux 9 | openexr | Fix deferred |
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Дополнительная информация
Статус:
EPSS
6.8 Medium
CVSS3
Связанные уязвимости
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.4.0 through 3.4.9, 3.3.0 through 3.3.9, and 3.2.0 through 3.2.7, `internal_dwa_compressor.h:1040` performs `chan->width * chan->bytes_per_element` in `int32` arithmetic without a `(size_t)` cast. This is the same overflow pattern fixed in other decoders by CVE-2026-34589/34588/34544, but this line was missed. Versions 3.4.10, 3.3.10, and 3.2.8 contain a fix that addresses `internal_dwa_compressor.h:1040`.
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.4.0 through 3.4.9, 3.3.0 through 3.3.9, and 3.2.0 through 3.2.7, `internal_dwa_compressor.h:1040` performs `chan->width * chan->bytes_per_element` in `int32` arithmetic without a `(size_t)` cast. This is the same overflow pattern fixed in other decoders by CVE-2026-34589/34588/34544, but this line was missed. Versions 3.4.10, 3.3.10, and 3.2.8 contain a fix that addresses `internal_dwa_compressor.h:1040`.
OpenEXR provides the specification and reference implementation of the ...
EPSS
6.8 Medium
CVSS3