Use After Free in Long Range Zip Project

CVE-2018-11496

In Long Range Zip (aka lrzip) 0.631, there is a use-after-free in read_stream in stream.c, because decompress_file in lrzip.c lacks certain size validation.

Vulnerability class: Use-After-Free

EPSS: 0.013 (68.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2018-11496?
CVE-2018-11496 is a medium-severity vulnerability in Long Range Zip Project, classified under Use After Free. CVSS score: 6.5/10. Published 2018-05-26.
How severe is CVE-2018-11496?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2018-11496 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.