01 Record
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
HighPUBLISHEDCNA: mitre
CNA base score7.5 CVSS v3.xCVSS:3.1/AC:L/AV:N/A:N/C:H/I:N/PR:N/S:U/UI:N
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.92% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 79.7% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-08-31 00:00Z4 YR AGO
- Last updated
- 2024-08-03 11:10Z2 YR AGO
- Reserved
- 2022-08-31
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AC:L/AV:N/A:N/C:H/I:N/PR:N/S:U/UI:N
- Weaknesses
- Data version
- 5.1
- Document digest
- d1e19ca5f65ff8c8c9239b2d1d92e361773155f2560030461994bb19ef3c6fda
05 Affected products
VendorProductVersionsPlatforms
06 References
- sourceware.orghttps://sourceware.org/bugzilla/show_bug.cgi?id=29536
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20221104-0002/
- security.gentoo.orgGLSA-202310-03https://security.gentoo.org/glsa/202310-03
- www.openwall.com[oss-security] 20240130 Re: CVE-2023-6246: Heap-based buffer overflow in the glibc's syslog()http://www.openwall.com/lists/oss-security/2024/01/30/8
- www.openwall.com[oss-security] 20240130 CVE-2023-6246: Heap-based buffer overflow in the glibc's syslog()http://www.openwall.com/lists/oss-security/2024/01/30/6
- packetstormsecurity.comhttp://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html
- seclists.org20240204 CVE-2023-6246: Heap-based buffer overflow in the glibc's syslog()http://seclists.org/fulldisclosure/2024/Feb/3