Vulnerability Monitor

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CVE-2020-27790

A floating point exception issue was discovered in UPX in PackLinuxElf64::invert_pt_dynamic() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service. The highest impact is to Availability.

Published

2022-08-18T19:15:14.270

Last Modified

2025-04-11T12:27:55.013

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

Weaknesses

Type: Secondary
CWE-369
Type: Primary
CWE-369

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	upx	upx	< 3.96	Yes

References

https://github.com/upx/upx/commit/eb90eab6325d009004ffb155e3e33f22d4d3ca26 Patch, Third Party Advisory ([email protected])
https://github.com/upx/upx/issues/331 Exploit, Issue Tracking, Patch, Third Party Advisory ([email protected])
https://github.com/upx/upx/commit/eb90eab6325d009004ffb155e3e33f22d4d3ca26 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/upx/upx/issues/331 Exploit, Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)