CVE-2020-27618

MEDIUM

GNU C Library <2.32 - DoS

Title source: llm
STIX 2.1

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.

References (7)

Core 7
Core References
Third Party Advisory vendor-advisory
https://security.gentoo.org/glsa/202107-07
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
Issue Tracking, Patch, Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=19519#c21
Exploit, Issue Tracking, Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=26224
Not Applicable, Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html

Scores

CVSS v3 5.5
EPSS 0.0005
EPSS Percentile 16.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-835
Status published
Products (14)
debian/debian_linux 10.0
gnu/glibc < 2.32
netapp/500f_firmware
netapp/a250_firmware
netapp/h300e_firmware
netapp/h300s_firmware
netapp/h410c_firmware
netapp/h410s_firmware
netapp/h500e_firmware
netapp/h500s_firmware
... and 4 more
Published Feb 26, 2021
Tracked Since Feb 18, 2026