Heap-based Buffer Overflow Affecting upx/upx package, versions [0,]
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-UPXUPX-9788077
- published20 Apr 2025
- disclosed27 Mar 2025
- creditmadao123123
Introduced: 27 Mar 2025
CVE-2025-2849 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Heap-based Buffer Overflow in the PackLinuxElf64::un_DT_INIT() function in p_lx_elf.cpp. An attacker can trigger a segfault with malicious input.