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CVE-2025-1632— libarchive bsdunzip.c list null pointer dereference

Quick assessment

Affected
n/a libarchive
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

libarchive是libarchive开源的一款多格式存档和压缩库。 libarchive 3.7.7版本及之前版本存在安全漏洞，该漏洞源于bsdunzip.c文件中包含一个空指针取消引用问题。

CVSS 3.3 · Low EPSS 0.34% · P26
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I. Basic Information for CVE-2025-1632

Vulnerability Information
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Vulnerability Title
libarchive bsdunzip.c list null pointer dereference
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in libarchive up to 3.7.7. It has been classified as problematic. This affects the function list of the file bsdunzip.c. The manipulation leads to null pointer dereference. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
libarchive 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libarchive是libarchive开源的一款多格式存档和压缩库。 libarchive 3.7.7版本及之前版本存在安全漏洞，该漏洞源于bsdunzip.c文件中包含一个空指针取消引用问题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- libarchive 3.7.0 -

II. Public POCs for CVE-2025-1632

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III. Intelligence Information for CVE-2025-1632

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Vendor Advisories for CVE-2025-1632 (3)

Proof of Concept for CVE-2025-1632 (1)

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IV. Related Vulnerabilities

Same product: libarchive
Same vendor: n/a
Same weakness: CWE-476

V. Comments for CVE-2025-1632

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