vulnerability
Arch Linux: Denial of service (CVE-2020-29562)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:N/AC:H/Au:S/C:N/I:N/A:P) | Dec 4, 2020 | Jul 11, 2025 | Nov 27, 2025 |
Severity
2
CVSS
(AV:N/AC:H/Au:S/C:N/I:N/A:P)
Published
Dec 4, 2020
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
The iconv function in glibc version 2.30 to 2.32, when converting UCS4 text containing an irreversible character, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service. The issue is fixed in glibc version 2.33.
Solution
arch-linux-upgrade-latest
References
- CVE-2020-29562
- https://attackerkb.com/topics/CVE-2020-29562
- URL-https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
- URL-https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TVCUNLQ3HXGS4VPUQKWTJGRAW2KTFGXS/
- URL-https://security.archlinux.org/ASA-202102-16
- URL-https://security.archlinux.org/ASA-202102-17
- URL-https://security.gentoo.org/glsa/202101-20
- URL-https://security.netapp.com/advisory/ntap-20210122-0004/
- URL-https://sourceware.org/bugzilla/show_bug.cgi?id=26923
- URL-https://sourceware.org/pipermail/libc-alpha/2021-February/122207.html
- CWE-617
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