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CVE-2025-64031

Quick assessment

Affected
libarchive 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 3.8.x（3.8.2 之前）中存在一个由 中 函数中通过 字段引发的 堆缓冲区溢出漏洞，编号为 GHSA-92wx-p669-8gr9。该漏洞与 bsdtar 相关。利用场景设想为一种边际上可信的情形，其中 来自不受信任的第三方。（注意： 并非从输入数据中衍生而来。）

CVSS 2.5 · Low

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-64031

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
libarchive 3.8.x before 3.8.2 has a strcpy heap-based buffer overflow in the gzip writer via the original-filename field to archive_compressor_gzip_open in archive_write_add_filter_gzip.c, aka GHSA-92wx-p669-8gr9. This relates to bsdtar. Exploitation envisions a marginally plausible scenario in which original-filename is obtained from an untrusted party. (original-filename is not derived from the input data.)
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
libarchive libarchive 3.8.0 ~ 3.8.2 -

II. Public POCs for CVE-2025-64031

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2025-64031

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Patches & Fixes for CVE-2025-64031 (4)

Proof of Concept for CVE-2025-64031 (1)

IV. Related Vulnerabilities

Same product: libarchive
Same vendor: libarchive
Same weakness: CWE-122

V. Comments for CVE-2025-64031

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