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CVE-2023-39741

Date: August 17, 2023

lrzip v0.651 was discovered to contain a heap overflow via the libzpaq::PostProcessor::write(int) function at /libzpaq/libzpaq.cpp. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted file.

Language: C

Severity Score

Related Resources (6)

https://gist.github.com/huanglei3/ec9090096aa92445cf0a8baa8e929084
https://github.com/huanglei3/lrzip_poc/tree/main/lrzip_heap_overflow
https://nvd.nist.gov/vuln/detail/CVE-2023-39741
https://security-tracker.debian.org/tracker/CVE-2023-39741
https://github.com/ckolivas/lrzip/issues/246
https://www.mend.io/vulnerability-database/CVE-2023-39741

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
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

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