What is CVE-2022-28044?

CVE-2022-28044 is a critical-severity vulnerability in Irzip Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-04-15.

How severe is CVE-2022-28044?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Irzip Project

CVE-2022-28044

Irzip v0.640 was discovered to contain a heap memory corruption via the component lrzip.c:initialise_control.

Vulnerability class: Buffer Overflow

Published 2022-04-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.019 (79.2th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: +0.000

Affected products

Irzip Project — versions 0.640
Debian Linux — versions 9.0, 10.0, 11.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/ckolivas/lrzip/issues/216 (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/ckolivas/lrzip/commit/5faf80cd53ecfd16b636d653483144cd12004f46 (Patch, Third Party Advisory)
lists.debian.org/debian-lts-announce/2022/05/msg00016.html (mailing-list, Mailing List, Third Party Advisory)
www.debian.org/security/2022/dsa-5145 (vendor-advisory, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2022-28044?: CVE-2022-28044 is a critical-severity vulnerability in Irzip Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-04-15.
How severe is CVE-2022-28044?: Critical severity. CVSS v3 base score is 9.8 out of 10.