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CVE-2023-5841 is a heap-based buffer overflow in the Academy Software Foundation OpenEXR image parsing library affecting version 3.2.1 and earlier. The flaw is caused by improper validation of the number of scanline samples in an OpenEXR file containing deep scanline data. When the library parses a maliciously crafted deep scanline image, it can allocate or access heap memory based on untrusted sample-count metadata without sufficient bounds enforcement, leading to out-of-bounds writes during image processing. The issue affects downstream software that incorporates the vulnerable OpenEXR code for image handling.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A third-party/open-source image processing vulnerability affecting Apple software, leading to denial-of-service when processing a crafted image.
Third-party/open-source vulnerability affecting Apple software; described as crafted image processing leading to denial-of-service.
A third-party/open-source vulnerability affecting Apple software; processing a maliciously crafted image may lead to denial-of-service on Apple TV.
An open-source vulnerability affecting Apple software (CVE assigned by a third party); specific technical details are not provided in the excerpt.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.