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CVE-2025-9300

5.3 · MEDIUM

A vulnerability was found in saitoha libsixel up to 1.10.3.

Published Aug 21, 2025CWE-119EPSS 0.25%

Overview

CVE-2025-9300 is a medium-severity vulnerability. It was published on August 21, 2025 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A vulnerability was found in saitoha libsixel up to 1.10.3. Affected by this issue is the function sixel_debug_print_palette of the file src/encoder.c of the component img2sixel. The manipulation results in stack-based buffer overflow. The attack must be initiated from a local position. The exploit has been made public and could be used. The patch is identified as 316c086e79d66b62c0c4bc66229ee894e4fdb7d1. Applying a patch is advised to resolve this issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refdrive.google.com/file/d/1IIvvRFgUQZcySqeoqXXhsxd0HZCjClJ7/view?usp=sharingGitHubgithub.com/saitoha/libsixel/commit/316c086e79d66b62c0c4bc66229ee894e4fdb7d1GitHubgithub.com/saitoha/libsixel/issues/200GitHubgithub.com/saitoha/libsixel/issues/200#issuecomment-3178785635Refvuldb.com/?ctiid.320905Refvuldb.com/?id.320905Refvuldb.com/?submit.632366GitHubgithub.com/saitoha/libsixel/commit/316c086e79d66b62c0c4bc66229ee894e4fdb7d1GitHubgithub.com/saitoha/libsixel/issues/200GitHubgithub.com/saitoha/libsixel/issues/200#issuecomment-3178785635

How CyberStrike helps

Frequently asked questions

What is CVE-2025-9300?

CVE-2025-9300 is a medium-severity vulnerability. It was published on August 21, 2025 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-9300?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-9300?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2025-9300?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-9300 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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