CVE-2021-3326
- State
- Published
- Severity
- 7.5 High
- Published
- Jan 27, 2021
- Updated
- Oct 14, 2026
- Reserved
- Jan 27, 2021
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | CISA-ADP |
Weaknesses
- CWE-617 Reachable Assertion
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://sourceware.org/bugzilla/show_bug.cgi?id=27256
- https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=7d88c6142c6efc160c0ee5e4f85cde382c072888
- [oss-security] 20210128 Re: glibc iconv crash with ISO-2022-JP-3mailing-list
- GLSA-202107-07vendor-advisory
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://security.netapp.com/advisory/ntap-20210304-0007/
- https://www.oracle.com/security-alerts/cpuapr2022.html
- [debian-lts-announce] 20221017 [SECURITY] [DLA 3152-1] glibc security updatemailing-list
- https://cert-portal.siemens.com/productcert/html/ssa-831302.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.