CVE-2020-27618

moderate-risk
Published 2021-02-26

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.

Do I need to act?

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0.05% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (14)

Affected Vendors

Debian Gnu Oracle Netapp

References (14)

Mailing List https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
Third Party Advisory https://security.gentoo.org/glsa/202107-07
Third Party Advisory https://security.netapp.com/advisory/ntap-20210401-0006/
Issue Tracking https://sourceware.org/bugzilla/show_bug.cgi?id=19519#c21
Exploit https://sourceware.org/bugzilla/show_bug.cgi?id=26224
Not Applicable https://www.oracle.com/security-alerts/cpuapr2022.html
Patch https://www.oracle.com/security-alerts/cpujan2022.html
Mailing List https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
Third Party Advisory https://security.gentoo.org/glsa/202107-07
Third Party Advisory https://security.netapp.com/advisory/ntap-20210401-0006/
Issue Tracking https://sourceware.org/bugzilla/show_bug.cgi?id=19519#c21
Exploit https://sourceware.org/bugzilla/show_bug.cgi?id=26224
Not Applicable https://www.oracle.com/security-alerts/cpuapr2022.html
Patch https://www.oracle.com/security-alerts/cpujan2022.html
36
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 18/34 · Moderate