CVE-2023-4911—GNU C Library Buffer Overflow Vulnerability

PUBLISHEDvulnerability record
2023-11-21 · last modified June 21, 2025

Metadata

CVE ID：
CVE-2023-4911
项目：
GNU
产品：
GNU C Library
添加日期：
2023-11-21
到期日：
2023-12-12
最后更新：
June 21, 2025

漏洞名称

GNU C Library Buffer Overflow Vulnerability

描述

GNU C Library's dynamic loader ld.so contains a buffer overflow vulnerability when processing the GLIBC_TUNABLES environment variable, allowing a local attacker to execute code with elevated privileges.

已知用于勒索软件活动吗？

勒索软件状态：
Unknown

采集行动

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

其他说明

  • This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://sourceware.org/git/?p=glibc.git
  • a=commitdiff
  • h=1056e5b4c3f2d90ed2b4a55f96add28da2f4c8fa, https://access.redhat.com/security/cve/cve-2023-4911, https://www.debian.org/security/2023/dsa-5514
  • https://nvd.nist.gov/vuln/detail/CVE-2023-4911

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