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CVE-2026-111142— Zziplib through 0.13.80 Out-of-Bounds Read via zzip_disk_findfirst

Quick assessment

Affected
gdraheim zziplib
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 zziplib 0.13.80 及更早版本中，存在一个位于 中的越界读取漏洞。攻击者可以通过构造恶意的 ZIP 中央目录，导致程序越界读取堆内存。具体而言，攻击者可构造一个“中央目录结束记录”（end-of-central-directory record），使得第一个条目紧邻缓冲区末尾。这会引发 函数在读取时越过缓冲区边界，从而导致应用程序崩溃。

CVSS 5.5 · Medium EPSS 0.13% · P2

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
gdraheim zziplib ≤ 0.13.80 affected
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I. Basic Information for CVE-2026-111142

Vulnerability Information
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Vulnerability Title
Zziplib through 0.13.80 Out-of-Bounds Read via zzip_disk_findfirst
Source: CVE Program / CVE List V5
Vulnerability Description
Zziplib through 0.13.80 contains an out-of-bounds read vulnerability in zzip/mmapped.c that allows attackers to over-read heap memory via a crafted ZIP central directory. Attackers can craft an end-of-central-directory record placing the first entry near the buffer end, causing zzip_disk_entry_strdup_name to read past the buffer and crash the application.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
gdraheim zziplib 0 ~ 0.13.80 -

II. Public POCs for CVE-2026-111142

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-111142

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Vendor Advisories for CVE-2026-111142 (1)

Security Blog Posts for CVE-2026-111142 (1)

Other References for CVE-2026-111142 (1)

IV. Related Vulnerabilities

Same product: zziplib
Same vendor: gdraheim
Same weakness: CWE-125