CVE-2021-27347 — MEDIUM (5.5)

Vulnerability Description

Use after free in lzma_decompress_buf function in stream.c in Irzip 0.631 allows attackers to cause Denial of Service (DoS) via a crafted compressed file.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Long Range Zip Project	Long Range Zip	0.631
Debian	Debian Linux	9.0

Related Weaknesses (CWE)

CWE-416

References

https://github.com/ckolivas/lrzip/issues/165ExploitIssue TrackingPatch
https://lists.debian.org/debian-lts-announce/2022/04/msg00012.htmlMailing ListThird Party Advisory
https://github.com/ckolivas/lrzip/issues/165ExploitIssue TrackingPatch
https://lists.debian.org/debian-lts-announce/2022/04/msg00012.htmlMailing ListThird Party Advisory

FAQ

What is CVE-2021-27347?

CVE-2021-27347 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Use after free in lzma_decompress_buf function in stream.c in Irzip 0.631 allows attackers to cause Denial of Service (DoS) via a crafted compressed file.

How severe is CVE-2021-27347?

CVE-2021-27347 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-27347?

Check the references section above for vendor advisories and patch information. Affected products include: Long Range Zip Project Long Range Zip, Debian Debian Linux.