Double Free in Upx
CVE-2018-11243
PackLinuxElf64::unpack in p_lx_elf.cpp in UPX 3.95 allows remote attackers to cause a denial of service (double free), limit the ability of a malware scanner to operate on the entire original data, or possibly have unspecified other impact via a crafted file.
Vulnerability class: Double Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.024 · change: -0.000
Affected products
- Upx — versions 3.95
Weakness classification (CWE)
References
- github.com/upx/upx/issues/206 (Exploit, Third Party Advisory)
- github.com/upx/upx/blob/devel/NEWS (Release Notes)
- github.com/upx/upx/issues/207 (Exploit, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2020-02/msg00001.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2020-02/msg00008.html (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2018-11243?
- CVE-2018-11243 is a high-severity vulnerability in Upx, classified under Double Free. CVSS score: 7.8/10. Published 2018-05-18.
- How severe is CVE-2018-11243?
- High severity. CVSS v3 base score is 7.8 out of 10.