Use After Free in Long Range Zip Project
CVE-2018-5747
In Long Range Zip (aka lrzip) 0.631, there is a use-after-free in the ucompthread function (stream.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted lrz file.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.013 (68.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Long Range Zip Project — versions 0.631
- Debian Linux — versions 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/ckolivas/lrzip/issues/90 (Exploit, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/08/msg00001.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-5747?
- CVE-2018-5747 is a medium-severity vulnerability in Long Range Zip Project, classified under Use After Free. CVSS score: 5.5/10. Published 2018-01-17.
- How severe is CVE-2018-5747?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2018-5747 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.