NULL pointer dereference in Long Range Zip Project

CVE-2021-27345

A null pointer dereference was discovered in ucompthread in stream.c in Irzip 0.631 which allows attackers to cause a denial of service (DOS) via a crafted compressed file.

EPSS: 0.007 (49.9th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2021-27345?
CVE-2021-27345 is a medium-severity vulnerability in Long Range Zip Project, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2021-06-10.
How severe is CVE-2021-27345?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-27345 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.