CVE-2021-3326
Published: 27 January 2021
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.
Priority
Status
Package | Release | Status |
---|---|---|
eglibc Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Does not exist
|
|
groovy |
Does not exist
|
|
hirsute |
Does not exist
|
|
impish |
Does not exist
|
|
jammy |
Does not exist
|
|
kinetic |
Does not exist
|
|
lunar |
Does not exist
|
|
trusty |
Needed
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
glibc Launchpad, Ubuntu, Debian |
bionic |
Released
(2.27-3ubuntu1.5)
|
focal |
Released
(2.31-0ubuntu9.7)
|
|
groovy |
Ignored
(reached end-of-life)
|
|
hirsute |
Not vulnerable
(2.33-0ubuntu5)
|
|
impish |
Not vulnerable
(2.33-0ubuntu5)
|
|
jammy |
Not vulnerable
(2.33-0ubuntu5)
|
|
kinetic |
Not vulnerable
(2.33-0ubuntu5)
|
|
lunar |
Not vulnerable
(2.33-0ubuntu5)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.33)
|
|
xenial |
Released
(2.23-0ubuntu11.3+esm2)
|
|
Patches: upstream: https://sourceware.org/git/?p=glibc.git;a=commit;h=7d88c6142c6efc160c0ee5e4f85cde382c072888 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3326
- https://sourceware.org/pipermail/libc-alpha/2021-January/122058.html
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2146
- https://ubuntu.com/security/notices/USN-5310-1
- https://ubuntu.com/security/notices/USN-5699-1
- NVD
- Launchpad
- Debian