CVE-2021-3326
Detail
Modified After Enrichment This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
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.
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 Severity and Vector Strings:
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
References to Advisories, Solutions, and Tools
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Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-617
Reachable Assertion
NIST
CISA-ADP
Change History
17 change records found show changes
CVE Modified by CISA-ADP
6/17/2026 12:04:56 AM
Action
Type
Old Value
New Value
Added
SSVC
{"timestamp":"2025-06-09T15:17:18.701250Z","id":"CVE-2021-3326","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}
CVE Modified by MITRE
6/17/2026 12:04:56 AM
Action
Type
Old Value
New Value
Added
Affected
[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]
CVE Modified by CISA-ADP
6/09/2025 12:15:32 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added
CWE
CWE-617
CVE Modified by CVE
11/21/2024 1:21:17 AM
Action
Type
Old Value
New Value
Added
Reference
http://www.openwall.com/lists/oss-security/2021/01/28/2
Added
Reference
https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
Added
Reference
https://security.gentoo.org/glsa/202107-07
Added
Reference
https://security.netapp.com/advisory/ntap-20210304-0007/
Added
Reference
https://sourceware.org/bugzilla/show_bug.cgi?id=27256
Added
Reference
https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=7d88c6142c6efc160c0ee5e4f85cde382c072888
Added
Reference
https://www.oracle.com/security-alerts/cpuapr2022.html
Added
Reference
https://www.oracle.com/security-alerts/cpujan2022.html
CVE Modified by MITRE
5/14/2024 5:24:12 AM
Action
Type
Old Value
New Value
CVE Modified by MITRE
11/06/2023 10:37:58 PM
Action
Type
Old Value
New Value
Added
Reference
MITRE https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=7d88c6142c6efc160c0ee5e4f85cde382c072888 [No types assigned]
Removed
Reference
MITRE https://sourceware.org/git/?p=glibc.git;a=commit;h=7d88c6142c6efc160c0ee5e4f85cde382c072888
Modified Analysis by NIST
11/04/2022 4:07:29 PM
Action
Type
Old Value
New Value
Added
CPE Configuration
OR
*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Changed
Reference Type
https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html No Types Assigned
https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html Mailing List, Third Party Advisory
CVE Modified by MITRE
10/17/2022 2:15:12 PM
Action
Type
Old Value
New Value
Added
Reference
https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html [No Types Assigned]
Modified Analysis by NIST
9/02/2022 11:40:39 PM
Action
Type
Old Value
New Value
Changed
Reference Type
https://www.oracle.com/security-alerts/cpuapr2022.html No Types Assigned
https://www.oracle.com/security-alerts/cpuapr2022.html Not Applicable
CVE Modified by MITRE
4/19/2022 8:16:14 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.oracle.com/security-alerts/cpuapr2022.html [No Types Assigned]
Modified Analysis by NIST
3/01/2022 12:26:42 PM
Action
Type
Old Value
New Value
Added
CPE Configuration
AND
OR
*cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) xcp2410
OR
cpe:2.3:h:fujitsu:m10-1:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) xcp3110
OR
cpe:2.3:h:fujitsu:m10-1:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:* versions up to (excluding) xcp2410
OR
cpe:2.3:h:fujitsu:m10-4:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:* versions up to (excluding) xcp3110
OR
cpe:2.3:h:fujitsu:m10-4:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) xcp2410
OR
cpe:2.3:h:fujitsu:m10-4s:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) xcp3110
OR
cpe:2.3:h:fujitsu:m10-4s:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) xcp2410
OR
cpe:2.3:h:fujitsu:m12-1:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) xcp3110
OR
cpe:2.3:h:fujitsu:m12-1:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) xcp2410
OR
cpe:2.3:h:fujitsu:m12-2:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) xcp2410
OR
cpe:2.3:h:fujitsu:m12-2:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) xcp3110
OR
cpe:2.3:h:fujitsu:m12-2:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) xcp3110
OR
cpe:2.3:h:fujitsu:m12-2:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) xcp2410
OR
cpe:2.3:h:fujitsu:m12-2s:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) xcp3110
OR
cpe:2.3:h:fujitsu:m12-2s:-:*:*:*:*:*:*:*
Added
CPE Configuration
OR
*cpe:2.3:a:oracle:communications_cloud_native_core_security_edge_protection_proxy:1.5.0:*:*:*:*:*:*:*
Changed
Reference Type
https://security.gentoo.org/glsa/202107-07 No Types Assigned
https://security.gentoo.org/glsa/202107-07 Third Party Advisory
Changed
Reference Type
https://www.oracle.com/security-alerts/cpujan2022.html No Types Assigned
https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory
CVE Modified by MITRE
2/07/2022 11:16:22 AM
Action
Type
Old Value
New Value
Added
Reference
https://www.oracle.com/security-alerts/cpujan2022.html [No Types Assigned]
CVE Modified by MITRE
7/06/2021 2:15:20 AM
Action
Type
Old Value
New Value
Added
Reference
https://security.gentoo.org/glsa/202107-07 [No Types Assigned]
Modified Analysis by NIST
3/19/2021 2:08:45 PM
Action
Type
Old Value
New Value
Added
CPE Configuration
OR
*cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:* versions from (including) 11.0 up to (including) 11.60.3
*cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
Changed
Reference Type
https://security.netapp.com/advisory/ntap-20210304-0007/ No Types Assigned
https://security.netapp.com/advisory/ntap-20210304-0007/ Third Party Advisory
CVE Modified by MITRE
3/04/2021 8:15:16 AM
Action
Type
Old Value
New Value
Added
Reference
https://security.netapp.com/advisory/ntap-20210304-0007/ [No Types Assigned]
Initial Analysis by NIST
2/03/2021 11:16:04 AM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added
CVSS V2
NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Added
CWE
NIST CWE-617
Added
CPE Configuration
OR
*cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* versions up to (including) 2.32.0
Changed
Reference Type
http://www.openwall.com/lists/oss-security/2021/01/28/2 No Types Assigned
http://www.openwall.com/lists/oss-security/2021/01/28/2 Mailing List, Third Party Advisory
Changed
Reference Type
https://sourceware.org/bugzilla/show_bug.cgi?id=27256 No Types Assigned
https://sourceware.org/bugzilla/show_bug.cgi?id=27256 Issue Tracking, Third Party Advisory
Changed
Reference Type
https://sourceware.org/git/?p=glibc.git;a=commit;h=7d88c6142c6efc160c0ee5e4f85cde382c072888 No Types Assigned
https://sourceware.org/git/?p=glibc.git;a=commit;h=7d88c6142c6efc160c0ee5e4f85cde382c072888 Patch, Third Party Advisory
CVE Modified by MITRE
1/28/2021 5:15:12 PM
Action
Type
Old Value
New Value
Added
Reference
http://www.openwall.com/lists/oss-security/2021/01/28/2 [No Types Assigned]
Quick Info
CVE Dictionary Entry: CVE-2021-3326 NVD
Published Date: 01/27/2021 NVD
Last Modified: 06/17/2026
Source: MITRE
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