High severity · published Jan 27, 2021
CVE-2021-3326
The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the…
7.5
CVSS
3.8%
EPSS
No
On KEV
Description
The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.8% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Communications Cloud Native Core Security Edge Protection Proxy · Oracle
1.5.0 · source: NVD
DL
Debian Linux · Debian
10.0 · source: NVD
ES
E-series Santricity OS Controller · Netapp
11.0 through 11.60.3 · source: NVD
GL
Glibc · Gnu
through 2.32.0 · source: NVD
MF
M10-1 Firmware · Fujitsu
before xcp2410; before xcp3110 · source: NVD
MF
M10-4 Firmware · Fujitsu
before xcp2410; before xcp3110 · source: NVD
MF
M10-4s Firmware · Fujitsu
before xcp2410; before xcp3110 · source: NVD
MF
M12-1 Firmware · Fujitsu
before xcp2410; before xcp3110 · source: NVD
MF
M12-2 Firmware · Fujitsu
before xcp2410; before xcp2410; before xcp3110; before xcp3110 · source: NVD
MF
M12-2s Firmware · Fujitsu
before xcp2410; before xcp3110 · source: NVD
OS
Ontap Select Deploy Administration Utility · Netapp
All versions, or not specified · source: NVD
SS
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5; V3.1.0 before V3.1.5 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3326
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3326
Mailing List
http://www.openwall.com/lists/oss-security/2021/01/28/2
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-20210304-0007/
Issue Tracking
https://sourceware.org/bugzilla/show_bug.cgi?id=27256
sourceware.org
https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=7d88c6142c6efc160c0ee5e4f85cde382c072888
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