CVE-2026-49346
7.1 · HIGHOverview
CVE-2026-49346 is a high-severity vulnerability affecting struktur libde265. It was published on June 19, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
libde265 is an open source implementation of the h.265 video codec. Prior to version 1.1.0, a crafted H.265 bitstream with large SPS dimensions and 16-bit bit depth causes a signed integer overflow in `de265_image_get_buffer()` (`libde265/image.cc:128`). The overflow wraps the plane allocation size to a small value (~1 KB), but the subsequent `fill_image()` call computes the real size using `size_t`, writing ~4 GB into the undersized heap buffer. Version 1.1.0 patches the issue.
Remediation
Check the references section for vendor advisories and patches from struktur. Update libde265 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| struktur | libde265 | >= 0, < 1.1.0 | Affected |
Frequently Asked Questions
What is CVE-2026-49346?
CVE-2026-49346 is a high-severity vulnerability affecting struktur libde265. It was published on June 19, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).
How severe is CVE-2026-49346?
This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-49346?
Check the references section for vendor advisories and patches from struktur. Update libde265 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-49346?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-49346 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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