CVE-2021-20285

A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via a crafted ELF. The highest threat from this vulnerability is to system availability.

CVSS v3.1

6.6 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

CVSS v2.0

8.3 HIGHAV:N/AC:M/Au:N/C:P/I:P/A:C

EPSS

0.75% chance of exploitation in the next 30 days, 52th percentile

Published

2021-03-26

Updated

2024-08-03

Proof-of-concept exploits (1)

• upx/upx/issues/421

References

• CVE Record
• NVD entry

Related

• CVE-2018-11243
• CVE-2019-14295
• CVE-2019-14296
• CVE-2019-20021
• CVE-2019-20051
• CVE-2019-20053