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CVE-2020-27790 Details
Description
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/upx/upx/commit/eb90eab6325d009004ffb155e3e33f22d4d3ca26 | CVE | PatchThird Party Advisory |
| https://github.com/upx/upx/issues/331 | CVE | ExploitIssue TrackingPatchThird Party Advisory |
| https://github.com/upx/upx/commit/eb90eab6325d009004ffb155e3e33f22d4d3ca26 | [email protected] | PatchThird Party Advisory |
| https://github.com/upx/upx/issues/331 | [email protected] | ExploitIssue TrackingPatchThird Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-369 | Divide By Zero | [email protected] |
| CWE-369 | Divide By Zero | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| upx upx | < 3.96 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Apr 11, 2025 | CPE Deprecation Remap | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Aug 23, 2022 | Initial Analysis | [email protected] |