cnvd - cnvd-2025-12277

cnvd-2025-12277

Vulnerability from cnvd

Title: GNU C Library缓冲区溢出漏洞

Description:

GNU C Library是GNU社区的一种按照LGPL许可协议发布的开源免费的C语言编译程序。

GNU C Library存在缓冲区溢出漏洞，该漏洞源于assert函数失败时未分配足够的空间给断言失败消息字符串和大小信息。攻击者可利用该漏洞导致拒绝服务。

Severity: 高

Patch Name: GNU C Library缓冲区溢出漏洞的补丁

Patch Description:

GNU C Library是GNU社区的一种按照LGPL许可协议发布的开源免费的C语言编译程序。

GNU C Library存在缓冲区溢出漏洞，该漏洞源于assert函数失败时未分配足够的空间给断言失败消息字符串和大小信息。攻击者可利用该漏洞导致拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

目前厂商已发布升级程序修复该安全问题，详情见厂商官网： https://www.gnu.org/software/libc/#download

Reference: https://sourceware.org/bugzilla/show_bug.cgi?id=32582https://www.openwall.com/lists/oss-security/2025/01/22/4https://sourceware.org/pipermail/libc-announce/2025/000044.htmlhttps://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2025-0001https://access.redhat.com/security/cve/cve-2025-0395https://nvd.nist.gov/vuln/detail/CVE-2025-0395

Impacted products

Name
Gnu GNU C Library >=2.13，<=2.40

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2025-0395",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-0395"
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}

CVE-2025-0395 (GCVE-0-2025-0395)

Vulnerability from cvelistv5

Published

2025-01-22 13:11

Modified

2025-04-30 05:03

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-131 - Incorrect Calculation of Buffer Size

Summary

When the assert() function in the GNU C Library versions 2.13 to 2.40 fails, it does not allocate enough space for the assertion failure message string and size information, which may lead to a buffer overflow if the message string size aligns to page size.

References

▼	URL	Tags
	https://www.openwall.com/lists/oss-security/2025/01/22/4
	https://sourceware.org/bugzilla/show_bug.cgi?id=32582
	https://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2025-0001
	https://sourceware.org/pipermail/libc-announce/2025/000044.html

Impacted products

	Vendor	Product	Version
	The GNU C Library	glibc	Version: 2.13 <

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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