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CVE-2021-27347

Good to know:

Date: June 10, 2021

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.

Language: C

Severity Score

5.5

Related Resources (7)

Url: https://security-tracker.debian.org/tracker/CVE-2021-27347

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-27347

Url: https://security.alpinelinux.org/vuln/CVE-2021-27347

Url: https://github.com/ckolivas/lrzip/issues/165

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-27347

Url: https://lists.debian.org/debian-lts-announce/2022/04/msg00012.html

Url: https://www.mend.io/vulnerability-database/CVE-2021-27347

Severity Score

5.5

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

Upgrade Version

Upgrade to version v0.640

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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