CVE-2025-9300: saitoha libsixel img2sixel encoder.c sixel_debug_print_palette stack-based overflow

Published Aug 21, 2025
·
Updated

A vulnerability was found in saitoha libsixel up to 1.10.3. Affected by this issue is the function sixeldebugprintpalette 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.

Affected Software

2 affected components
saitoha libsixel<=1.10.3
saitoha libsixel<1.8.7

Event History

Aug 21, 2025
CVE Published
via MITRE·01:02 PM
Data Sourced
via MITRE·01:02 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·01:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Feb 27, 57989
Event
via FIRST·11:26 PM

Frequently Asked Questions

1

What is the severity of CVE-2025-9300?

CVE-2025-9300 has a high severity due to its potential for stack-based buffer overflow exploitation.

2

How do I fix CVE-2025-9300?

To fix CVE-2025-9300, upgrade saitoha libsixel to version 1.10.4 or later, where the vulnerability has been addressed.

3

What are the impacts of CVE-2025-9300?

The impact of CVE-2025-9300 includes the possibility of remote code execution if a local attacker exploits the stack-based buffer overflow.

4

Who is affected by CVE-2025-9300?

CVE-2025-9300 affects all users of saitoha libsixel up to version 1.10.3.

5

Is CVE-2025-9300 exploitable remotely?

CVE-2025-9300 requires local access for exploitation, making it less of a concern for remote threats.

Contact

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