CVE-2022-44900

A directory traversal vulnerability in the SevenZipFile.extractall() f ...

Published 6 Dec 2022Modified 17 Jun 2026CWE 22

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

GHSA9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Trivy's own label is CRITICAL. Rated critical by NVD, GHSA. Rated lower by Ubuntu (medium).

Description

A directory traversal vulnerability in the SevenZipFile.extractall() function of the python library py7zr v0.20.0 and earlier allows attackers to write arbitrary files via extracting a crafted 7z file.

Affected packages and fixed versions

Source	Package	Fixed in
pip::GitHub Security Advisory pip	py7zr	0.20.1
debian 11	py7zr	0.11.3+dfsg-1+deb11u1
debian 12	py7zr	0.11.3+dfsg-5
debian 13	py7zr	0.11.3+dfsg-5
debian 14	py7zr	0.11.3+dfsg-5
echo	py7zr	0.11.3+dfsg-5
ubuntu 22.04	py7zr	0.11.3+dfsg-4ubuntu0.1

References

All 10 references

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Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.