CVE-2020-27618
Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 26 Feb 2021, 00:00
Last modified:09 Jun 2025, 15:15
Vulnerability Summary
Overall Risk (default)
medium
32/100 CVSS Score
5.5 MEDIUM
v3.1 (cve.org)
EPSS Score
0.05% LOW
0% probability -0.02%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected
Timeline
26 Feb 2021, 00:00
Published
Vulnerability first disclosed
09 Jun 2025, 15:15
Last Modified
Vulnerability information updated
Description
The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid multi-byte input sequences in IBM1364, IBM1371, IBM1388, IBM1390, and IBM1399 encodings, fails to advance the input state, which could lead to an infinite loop in applications, resulting in a denial of service, a different vulnerability from CVE-2016-10228.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 0.05%• Percentile: 16%
Techniques & Countermeasures
- CWE-835•Loop with Unreachable Exit Condition ('Infinite Loop')
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
Affected Systems
- debian•debian_linux
10.0
- gnu•glibc
≤ 2.32
- netapp•500f_firmware
na
- netapp•a250_firmware
na
- netapp•h300e
na
- netapp•h300s_firmware
na
- netapp•h410c_firmware
na
- netapp•h410s_firmware
na
- netapp•h500e
na
- netapp•h500s_firmware
na
- netapp•h700e
na
- netapp•h700s_firmware
na
- netapp•ontap_select_deploy_administration_utility
na
- oracle•communications_cloud_native_core_service_communication_proxy
1.14.0
References (7)
- https://sourceware.org/bugzilla/show_bug.cgi?id=26224
- https://sourceware.org/bugzilla/show_bug.cgi?id=19519#c21
- https://security.gentoo.org/glsa/202107-07
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://security.netapp.com/advisory/ntap-20210401-0006/
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html