Loop with Unreachable Exit Condition ('Infinite Loop') Affecting glibc package, versions <2.31-5


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.11% (45th percentile)

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  • Snyk IDSNYK-DEBIAN11-GLIBC-1035464
  • published3 Nov 2020
  • disclosed26 Feb 2021

Introduced: 3 Nov 2020

CVE-2020-27618  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Debian:11 glibc to version 2.31-5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

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 Scores

version 3.1