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CVE-2026-93019— Imager versions before 1.036 for Perl exit the process reading a TGA with a colour map length of 32768 or more in tga_palette_read

Quick assessment

Affected
CVE-2026-93019
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.

以下是对该漏洞描述的中文翻译： Imager 1.036 及更早版本在读取包含颜色映射长度 ≥ 32768 的 TGA 文件时，进程会直接退出。 在读取过程中，TGA 调色板读取函数 将 TGA 文件头中占两个字节（16 位）的颜色映射长度解析为一个有符号短整型（signed short）。由于有符号 16 位整型的取值范围是 -32768 到 32767，当实际长度 ≥ 32768 时，该值在内存中表现为负数（例如 32768 在 16 位二进制中为 ，解析为有符号数即 -32768）。 随后， 将这个负值强制转

AI Predicted 5.9 Difficulty: Easy EPSS 0.65% · P49

Affected Version Matrix 1

VendorProduct Version RangeStatus
None None < 1.036 affected

I. Basic Information for CVE-2026-93019

Vulnerability Information
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Vulnerability Title
Imager versions before 1.036 for Perl exit the process reading a TGA with a colour map length of 32768 or more in tga_palette_read
Source: CVE Program / CVE List V5
Vulnerability Description
Imager versions before 1.036 for Perl exit the process reading a TGA with a colour map length of 32768 or more in tga_palette_read. The reader unpacks the two-byte colour map length into a signed short, so a length of 32768 or more becomes negative. tga_palette_read() casts that value to size_t and asks mymalloc() for a size near SIZE_MAX. The allocation fails and Imager's allocator calls exit(3). Reading an attacker-supplied file through Imager->read() triggers an uncatchable exit.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
无符号至有符号转换错误
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- - 0 ~ 1.036 -

II. Public POCs for CVE-2026-93019

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-93019

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Patches & Fixes for CVE-2026-93019 (1)

Other References for CVE-2026-93019 (1)

IV. Related Vulnerabilities

Same weakness: CWE-196

V. Comments for CVE-2026-93019

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