CVE-2026-102504

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.

• CWE-190
• CWE-789

• https://github.com/tonycoz/imager/commit/21b0df9eef1dffe1fdcd3706bfea9f1338031679.patch
• https://github.com/tonycoz/imager/security/advisories/GHSA-g549-r73g-x7x6
• https://metacpan.org/release/TONYC/Imager-1.037/changes
• https://www.openwall.com/lists/oss-security/2026/10/01/9

Published

Oct 1, 2026

Last Modified

Oct 1, 2026

Status

Undergoing Analysis

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