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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

Quick assessment

Affected
CVE-2026-102504
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Perl 的 Imager 库中，1.037 之前的版本在处理原始图像时，如果 值超出有效范围，会导致进程在 函数中异常退出。 具体原因如下：代码未对 进行范围检查。行缓冲区的大小被计算为图像宽度乘以通道数，且未执行溢出检查。因此，当传入负值或极大的通道数时，会触发过大的内存分配请求。一旦该分配失败，Imager 的内存分配器将直接调用 终止进程。 向 传入不可信的 值，将导致一个无法捕获的进程退出。

AI Predicted 5.3 Difficulty: Easy EPSS 0.39% · P31

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
None None < 1.037 affected

I. Basic Information for CVE-2026-102504

Vulnerability Information
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Vulnerability Title
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
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的内存分配
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- - 0 ~ 1.037 -

II. Public POCs for CVE-2026-102504

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-102504

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Patches & Fixes for CVE-2026-102504 (1)

Vendor Advisories for CVE-2026-102504 (1)

Other References for CVE-2026-102504 (1)

IV. Related Vulnerabilities

Same weakness: CWE-789

V. Comments for CVE-2026-102504

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