lovell Sharp up to 0.35.3 libheif code injection

Summaryinfo

A vulnerability, which was classified as critical, has been found in lovell Sharp up to 0.35.3. This impacts an unknown function of the component libheif. This manipulation causes code injection. The identification of this vulnerability is CVE-2026-114112. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in lovell Sharp up to 0.35.3 and classified as critical. Affected by this vulnerability is an unknown functionality of the component libheif. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-114112 since 10/20/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

Upgrading to version 0.35.4 eliminates this vulnerability.

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Productinfo

Vendor

• lovell

Name

• Sharp

Version

• 0.35.0
• 0.35.1
• 0.35.2
• 0.35.3

Website

• Product: https://github.com/lovell/sharp/

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