What’s Vulnerable › Vulnerabilities

CVE-2022-39046

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-08-31 · updated 2026-06-17
• Weakness: CWE-532

Description

An issue was discovered in the GNU C Library (glibc) 2.36. When the syslog function is passed a crafted input string larger than 1024 bytes, it reads uninitialized memory from the heap and prints it to the target log file, potentially revealing a portion of the contents of the heap.

Affected products

• GNU C Library (glibc): 2.36
• NetApp H300S Firmware: all versions
• NetApp H410C Firmware: all versions
• NetApp H410S Firmware: all versions
• NetApp H500S Firmware: all versions
• NetApp H700S Firmware: all versions
• NetApp ONTAP Select Deploy administration utility: all versions

References

• http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html
• http://seclists.org/fulldisclosure/2024/Feb/3
• http://www.openwall.com/lists/oss-security/2024/01/30/6
• http://www.openwall.com/lists/oss-security/2024/01/30/8
• https://security.gentoo.org/glsa/202310-03
• https://security.netapp.com/advisory/ntap-20221104-0002/
• https://sourceware.org/bugzilla/show_bug.cgi?id=29536
• http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html
• http://seclists.org/fulldisclosure/2024/Feb/3
• http://www.openwall.com/lists/oss-security/2024/01/30/6
• http://www.openwall.com/lists/oss-security/2024/01/30/8
• https://security.gentoo.org/glsa/202310-03

Get alerted when CVE-2022-39046 or the next vulnerability affects your stack