| Name | CVE-2021-3326 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3152-1 |
| Debian Bugs | 981198 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| glibc (PTS) | buster | 2.28-10+deb10u1 | vulnerable |
| buster (security) | 2.28-10+deb10u2 | fixed | |
| bullseye | 2.31-13+deb11u8 | fixed | |
| bullseye (security) | 2.31-13+deb11u9 | fixed | |
| bookworm | 2.36-9+deb12u4 | fixed | |
| bookworm (security) | 2.36-9+deb12u6 | fixed | |
| trixie | 2.37-18 | fixed | |
| sid | 2.37-19 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| glibc | source | buster | 2.28-10+deb10u2 | DLA-3152-1 | ||
| glibc | source | (unstable) | 2.31-10 | 981198 |
https://bugs.chromium.org/p/project-zero/issues/detail?id=2146
https://sourceware.org/bugzilla/show_bug.cgi?id=27256
https://sourceware.org/pipermail/libc-alpha/2021-January/122058.html
Fixed by: https://sourceware.org/git/?p=glibc.git;a=commit;h=7d88c6142c6efc160c0ee5e4f85cde382c072888
When fixing the issue for older suites make sure to not open up CVE-2021-43396
and make a complete fix.