Vulnerability in Gnu Glibc
CVE-2021-43396
In iconvdata/iso-2022-jp-3.c in the GNU C Library (aka glibc) 2.34, remote attackers can force iconv() to emit a spurious '\0' character via crafted ISO-2022-JP-3 data that is accompanied by an internal state reset. This may affect data in…
EPSS: 0.031 (86.2th 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:N/I:H/A:N.
Affected products
- Gnu Glibc — versions 2.34
- Oracle Communications_cloud_native_core_binding_support_function — versions 22.1.3
- Oracle Communications_cloud_native_core_network_function_cloud_native_environment — versions 22.1.0
- Oracle Communications_cloud_native_core_network_repository_function — versions 22.1.2, 22.2.0
- Oracle Communications_cloud_native_core_security_edge_protection_proxy — versions 22.1.1
- Oracle Communications_cloud_native_core_unified_data_repository — versions 22.2.0
- Oracle Enterprise_operations_monitor — versions 4.3, 4.4, 5.0
- N/a — versions n/a
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-43396?
- CVE-2021-43396 is a high-severity vulnerability in Gnu Glibc. CVSS score: 7.5/10. Published 2021-11-04.
- How severe is CVE-2021-43396?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-43396 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.