Information disclosure in Gnu Glibc
CVE-2022-39046
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.
EPSS: 0.016 (72.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, Issue Tracking)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list)
- cve@mitre.org (mailing-list)
- cve@mitre.org
- cve@mitre.org (mailing-list)
Frequently asked questions
- What is CVE-2022-39046?
- CVE-2022-39046 is a high-severity vulnerability in Gnu Glibc, classified under Insertion of Sensitive Information into Log File. CVSS score: 7.5/10. Published 2022-08-31.
- How severe is CVE-2022-39046?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-39046 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.