Use After Free Affecting ckolivas/lrzip package, versions [0,0.660)
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-UNMANAGED-CKOLIVASLRZIP-15253637
- published10 Feb 2026
- disclosed10 Feb 2026
- creditUnknown
Introduced: 10 Feb 2026
CVE-2025-15570 (opens in a new tab)How to fix?
Upgrade ckolivas/lrzip to version 0.660 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free via the lzma_decompress_buf() function in the stream.c file. An attacker can achieve unauthorized access to sensitive information, modify data, or cause a denial of service by manipulating memory after it has been freed during local exploitation.