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CVE-2026-114112— Sharp before 0.35.4 RCE via bundled libheif AVIF decoding

Quick assessment

Affected
lovell sharp
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 0.35.4 版本之前，Sharp 捆绑了一个存在漏洞的 libheif 依赖库。攻击者可通过提供特制的图像文件，在基于 glibc 的 Linux 系统上实现可能的远程代码执行。攻击者可以向使用 Sharp 处理不可信图像的应用程序提交恶意的 AVIF/HEIF 输入，从而触发 libheif 解码漏洞并执行代码。

CVSS 8.9 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-114112

Vulnerability Information
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Vulnerability Title
Sharp before 0.35.4 RCE via bundled libheif AVIF decoding
Source: CVE Program / CVE List V5
Vulnerability Description
Sharp before 0.35.4 bundles a vulnerable libheif dependency that allows attackers to achieve possible remote code execution on glibc-based Linux by supplying crafted images. Attackers can submit malicious AVIF/HEIF input to applications processing untrusted images with sharp, triggering libheif decoding flaws to execute code.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
lovell sharp 0 ~ 0.35.4 -

II. Public POCs for CVE-2026-114112

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III. Intelligence Information for CVE-2026-114112

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Other References for CVE-2026-114112 (2)

Same Patch Batch · lovell · 2026-10-21 · 3 CVEs total

CVE-2026-114111 8.9 HIGH Sharp before 0.35.5 RCE via librsvg Dependency Memory Vulnerability
CVE-2026-114113 8.4 HIGH Sharp before 0.35.0 Multiple Vulnerabilities via Bundled libvips Image Decoders

IV. Related Vulnerabilities

Same product: sharp
Same vendor: lovell
Same weakness: CWE-122

V. Comments for CVE-2026-114112

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