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CVE-2025-2849 – UPX Heap-Based Buffer Overflow Vulnerability

The following table lists the changes that have been made to the
CVE-2025-2849 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Mar. 27, 2025

    Action Type Old Value New Value
    Added Description A vulnerability, which was classified as problematic, was found in UPX up to 5.0.0. Affected is the function PackLinuxElf64::un_DT_INIT of the file src/p_lx_elf.cpp. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The patch is identified as e0b6ff192412f5bb5364c1948f4f6b27a0cd5ea2. It is recommended to apply a patch to fix this issue.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Added CVSS V2 (AV:L/AC:L/Au:S/C:N/I:N/A:P)
    Added CWE CWE-119
    Added CWE CWE-122
    Added Reference https://github.com/upx/upx/commit/e0b6ff192412f5bb5364c1948f4f6b27a0cd5ea2
    Added Reference https://github.com/upx/upx/issues/898
    Added Reference https://github.com/upx/upx/issues/898#issuecomment-2734082143
    Added Reference https://github.com/user-attachments/files/19307868/input.zip
    Added Reference https://vuldb.com/?ctiid.301494
    Added Reference https://vuldb.com/?id.301494
    Added Reference https://vuldb.com/?submit.522371
  • CVE Modified
    by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Mar. 27, 2025

    Action Type Old Value New Value
    Added Reference https://github.com/upx/upx/issues/898#issuecomment-2734082143
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