CVE-2018-11243 is a double free vulnerability in UPX 3.95, specifically within the PackLinuxElf64::unpack function, affecting the UPX executable packer. This flaw can be triggered by a remote attacker through a crafted file, leading to a denial of service, hindering malware analysis, or potentially other unspecified impacts. With a CVSS score of 7.8 (High), the vulnerability requires user interaction (UI:R) and local access (AV:L) but can result in high confidentiality, integrity, and availability impacts. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.95CPE matchmatch criteria | cpe:2.3:a:upx:upx:3.95:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.