Stack-based Buffer Overflow Affecting saitoha/libsixel package, versions [,1.8.7)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-SAITOHALIBSIXEL-12304060
- published1 Sept 2025
- disclosed21 Aug 2025
- creditUnknown
Introduced: 21 Aug 2025
NewCVE-2025-9300 (opens in a new tab)How to fix?
Upgrade saitoha/libsixel to version 1.8.7 or higher.
Overview
Affected versions of this package are vulnerable to Stack-based Buffer Overflow via the sixel_debug_print_palette function in the encoder.c file. An attacker can execute arbitrary code or cause a crash by providing specially crafted input that triggers a stack-based buffer overflow.