CVE-2026-102504

High

Description

Imager versions before 1.037 for Perl exit the process reading a raw image with an out-of-range raw_datachannels value in i_readraw_wiol. Nothing range-checks raw_datachannels. The line buffer is sized as the image width times the channel count with no overflow check, so a negative or very large count requests an excessive allocation. When it fails, Imager's allocator calls exit(3). Passing an untrusted raw_datachannels value to Imager->read() triggers an uncatchable exit.

SeverityHigh

CVSS7.5

Exploit probability—

ProductTonycoz Imager

PublishedOct 1, 2026

First seenOct 1, 2026

Weakness typeCWE-789CWE-789 CWE-190Integer overflow

How to fix

Update

tonycoz imager1.037 or later

Patches

github.com/tonycoz/imager/commit/21b0df9eef1dffe1fdcd3706bfea9f1338031679.patch

Vendor advisories

Affected products

Product	Affected versions	Fixed in
tonycoz imager	v < 1.037	1.037

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