CVE-2021-3326 : The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences i

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.

Published 2021-01-27 20:15:14

Updated 2022-11-04 20:07:29

Source MITRE

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2021-3326

Debian » Debian Linux » Version: 10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Matching versions
GNU » Glibc
Versions up to, including, (<=) 2.32.0
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
Matching versions
Oracle » Communications Cloud Native Core Security Edge Protection Proxy » Version: 1.5.0
cpe:2.3:a:oracle:communications_cloud_native_core_security_edge_protection_proxy:1.5.0:*:*:*:*:*:*:*
Matching versions
Fujitsu » M10-1 Firmware
Versions before (<) xcp2410
cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Fujitsu » M10-1 » Version: N/A
Fujitsu » M10-1 Firmware
Versions before (<) xcp3110
cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Fujitsu » M10-1 » Version: N/A
Fujitsu » M10-4 Firmware
Versions before (<) xcp3110
cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Fujitsu » M10-4 » Version: N/A
Fujitsu » M10-4 Firmware
Versions before (<) xcp2410
cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Fujitsu » M10-4 » Version: N/A
Fujitsu » M10-4s Firmware
Versions before (<) xcp2410
cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Fujitsu » M10-4s » Version: N/A
Fujitsu » M10-4s Firmware
Versions before (<) xcp3110
cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Fujitsu » M10-4s » Version: N/A
Fujitsu » M12-1 Firmware
Versions before (<) xcp3110
cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Fujitsu » M12-1 » Version: N/A
Fujitsu » M12-1 Firmware
Versions before (<) xcp2410
cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Fujitsu » M12-1 » Version: N/A
Fujitsu » M12-2 Firmware
Versions before (<) xcp3110
cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Fujitsu » M12-2 » Version: N/A
Fujitsu » M12-2 Firmware
Versions before (<) xcp2410
cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Fujitsu » M12-2 » Version: N/A
Fujitsu » M12-2s Firmware
Versions before (<) xcp2410
cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Fujitsu » M12-2s » Version: N/A
Fujitsu » M12-2s Firmware
Versions before (<) xcp3110
cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Fujitsu » M12-2s » Version: N/A
Netapp » Ontap Select Deploy Administration Utility » Version: N/A
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
Matching versions
Netapp » E-series Santricity Os Controller
Versions from including (>=) 11.0 and up to, including, (<=) 11.60.3
cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-3326

EPSS FAQ

1.34%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 86 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-3326

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2021-3326

CWE-617 Reachable Assertion

The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-3326

http://www.openwall.com/lists/oss-security/2021/01/28/2

oss-security - Re: glibc iconv crash with ISO-2022-JP-3
Mailing List;Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html

Oracle Critical Patch Update Advisory - April 2022
Not Applicable

CVEs referencing this url
https://security.gentoo.org/glsa/202107-07

glibc: Multiple vulnerabilities (GLSA 202107-07) — Gentoo security
Third Party Advisory

CVEs referencing this url
https://www.oracle.com/security-alerts/cpujan2022.html

Oracle Critical Patch Update Advisory - January 2022
Patch;Third Party Advisory

CVEs referencing this url
https://security.netapp.com/advisory/ntap-20210304-0007/

CVE-2021-3326 GNU C Library (glibc) Vulnerability in NetApp Products | NetApp Product Security
Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=27256

27256 – (CVE-2021-3326) Assertion failure in ISO-2022-JP-3 gconv module related to combining characters (CVE-2021-3326)
Issue Tracking;Third Party Advisory
https://sourceware.org/git/?p=glibc.git;a=commit;h=7d88c6142c6efc160c0ee5e4f85cde382c072888

sourceware.org Git - glibc.git/commit
Patch;Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html

[SECURITY] [DLA 3152-1] glibc security update
Mailing List;Third Party Advisory

CVEs referencing this url

Jump to

Vulnerability Details : CVE-2021-3326

Products affected by CVE-2021-3326

Exploit prediction scoring system (EPSS) score for CVE-2021-3326

CVSS scores for CVE-2021-3326

CWE ids for CVE-2021-3326

References for CVE-2021-3326