Medium
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-27790
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:36 UTC · Revision 1
Source evidence
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.
osv:CVE-2020-27790
Complete source record
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"url": "https://osv.dev/vulnerability/CVE-2020-27790",
"method": "structured",
"payload": {
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"title": "CVE-2020-27790",
"summary": "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.",
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"source_id": "core-osv",
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"published_at": "2022-08-18T19:15:14.27+00:00"
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