CVE detail
CVE-2023-6246
A heap-based buffer overflow was found in the __vsyslog_internal function of the glibc library. This function is called by the syslog and vsyslog functions. This issue occurs when the openlog function was not called, or called with the ident argument set to NULL, and the program name (the basename of argv[0]) is bigger than 1024 bytes, resulting in an application crash or local privilege escalation. This issue affects glibc 2.36 and newer.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 11.0 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
2 source links · newest first
Researchers at Qualys call attention to a vulnerability in Linux’s GNU C Library (glibc) that allows full root access to a system.
newswww.securityweek.comJan 31, 2024, 5:19 PMQualys researchers discovered a root access flaw, tracked as CVE-2023-6246, in GNU Library C (glibc) affecting multiple Linux distributions. The Qualys Threat Research Unit discovered four security vulnerabilities in the GNU Library C (glibc), including a heap-based buffer overflow tracked as CVE-2023-6246. GNU C Library (glibc) is a free software library that provides essential system […]
newssecurityaffairs.comJan 30, 2024, 10:47 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2023-6779CVSS 8.2 · High
An off-by-one heap-based buffer overflow was found in the __vsyslog_internal function of the glibc library. This function is called by the syslog and vsyslog functions. This issue…
- CVE-2023-4911CVSS 7.8 · High
A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to u…
- CVE-2026-5450CVSS 9.8 · Critical
Calling the scanf family of functions with a %mc (malloc'd character match) in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width g…
- CVE-2024-5835CVSS 8.8 · High
Heap buffer overflow in Tab Groups in Google Chrome prior to 126.0.6478.54 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit…
- CVE-2024-5493CVSS 8.8 · High
Heap buffer overflow in WebRTC in Google Chrome prior to 125.0.6422.141 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium securit…
- CVE-2024-5160CVSS 8.8 · High
Heap buffer overflow in Dawn in Google Chrome prior to 125.0.6422.76 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security…