| Name | CVE-2020-27618 |
| Description | The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid multi-byte input sequences in IBM1364, IBM1371, IBM1388, IBM1390, and IBM1399 encodings, fails to advance the input state, which could lead to an infinite loop in applications, resulting in a denial of service, a different vulnerability from CVE-2016-10228. |
| 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, ELA-724-1, ELA-725-1 |
| Debian Bugs | 973914 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| glibc (PTS) | jessie, jessie (lts) | 2.19-18+deb8u14 | fixed |
| stretch (security) | 2.24-11+deb9u1 | vulnerable | |
| stretch (lts), stretch | 2.24-11+deb9u7 | fixed | |
| buster (security), buster, buster (lts) | 2.28-10+deb10u4 | fixed | |
| bullseye | 2.31-13+deb11u11 | fixed | |
| bullseye (security) | 2.31-13+deb11u10 | fixed | |
| bookworm | 2.36-9+deb12u9 | fixed | |
| bookworm (security) | 2.36-9+deb12u7 | fixed | |
| sid, trixie | 2.40-4 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| glibc | source | jessie | 2.19-18+deb8u11 | ELA-725-1 | ||
| glibc | source | stretch | 2.24-11+deb9u5 | ELA-724-1 | ||
| glibc | source | buster | 2.28-10+deb10u2 | DLA-3152-1 | ||
| glibc | source | (unstable) | 2.31-5 | 973914 |
https://sourceware.org/bugzilla/show_bug.cgi?id=26224
https://sourceware.org/git/?p=glibc.git;a=commit;h=9a99c682144bdbd40792ebf822fe9264e0376fb5