Double Free The advisory has been revoked - it doesn't affect any version of package bison (opens in a new tab)
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.
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Test your applications- Snyk IDSNYK-CONAN-BISON-11786222
- published13 Aug 2025
- disclosed8 Aug 2025
- creditUnknown
Introduced: 8 Aug 2025
CVE-2025-8734 (opens in a new tab)Amendment
This was deemed not a vulnerability.
Overview
Affected versions of this package are vulnerable to Double Free via the check_and_convert_grammar function in the reader.c function. An attacker can cause a denial of service by triggering a double free condition through local access.
Note: CVE-2025-8734 was rejected by the CVE List.