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CVE-2026-102505— Imager versions before 1.037 for Perl overflow a heap buffer fetching float samples from a paletted image in i_gsampf_fp

Quick assessment

Affected
CVE-2026-102505
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.

Perl 的 Imager 模块在 1.037 版本之前存在堆缓冲区溢出漏洞，该漏洞发生在 函数中从调色板图像获取浮点采样数据时。 对于调色板图像，当 函数以 "float" 类型调用时，会为每个像素分配一个样本大小的缓冲区，并将请求的每个通道的数据写入该缓冲区。如果请求超过一个通道，就会导致写入超出缓冲区末尾的内存区域。 攻击者可以通过其提供的图像中的调色板来控制溢出的字节内容，从而可能利用此漏洞执行恶意代码或造成其他安全影响。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.24% · P14

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-2026-102505

Vulnerability Information
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Vulnerability Title
Imager versions before 1.037 for Perl overflow a heap buffer fetching float samples from a paletted image in i_gsampf_fp
Source: CVE Program / CVE List V5
Vulnerability Description
Imager versions before 1.037 for Perl overflow a heap buffer fetching float samples from a paletted image in i_gsampf_fp. For a paletted image, getsamples() with type "float" allocates a buffer of one sample per pixel and fetches every requested channel of each pixel into it. Requesting more than one channel writes past its end. An attacker-supplied image controls the overflowing bytes through its palette.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区大小计算不正确
Source: CVE Program / CVE List V5

Affected Products

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

II. Public POCs for CVE-2026-102505

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-102505

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Patches & Fixes for CVE-2026-102505 (1)

Vendor Advisories for CVE-2026-102505 (1)

Other References for CVE-2026-102505 (1)

IV. Related Vulnerabilities

Same weakness: CWE-131

V. Comments for CVE-2026-102505

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