Description
The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27 contains a buffer overflow during unescaping of user names with the ~ operator.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | glibc | 2.25-3 | — |
| Debian 13 | glibc | 2.25-3 | — |
| Debian 12 | glibc | 2.25-3 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | glibc | 2.23-0ubuntu10 | USN-3534-1 |
| Ubuntu 14.04 LTS | eglibc | 2.19-0ubuntu6.14 | USN-3534-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | nscd +7 | 2.17-222.el7 | RHSA-2018:0805 |
| RHEL 6 | nscd +7 | 2.12-1.212.el6 | RHSA-2018:1879 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | glibc | 2.22-62.3.4 | SUSE-SU-2018:0074-1 |
| SLES 12 SP2 | glibc | 2.22-62.3.4 | SUSE-SU-2018:0074-1 |
| SLES 12 SP1 | glibc | 2.19-40.16.950 | SUSE-SU-2018:2185-1 |
| SLES 12 | glibc | 2.19-22.27.958 | SUSE-SU-2018:2187-1 |
| SLES 11 SP4 | glibc | 2.11.3-17.110.19.2 | SUSE-SU-2018:2883-1 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP3 | glibc | 2.11.3-17.110.19.2 | SUSE-SU-2018:2883-1 |
| SLES for SAP 12 SP3 | glibc | 2.22-62.3.4 | SUSE-SU-2018:0074-1 |
| SLES for SAP 12 SP2 | glibc | 2.22-62.3.4 | SUSE-SU-2018:0074-1 |
| SLES for SAP 12 SP1 | glibc | 2.19-40.16.950 | SUSE-SU-2018:2185-1 |
| SLES for SAP 11 SP4 | glibc | 2.11.3-17.110.19.2 | SUSE-SU-2018:2883-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | glibc | 2.11.3-17.110.19.2 | SUSE-SU-2018:2883-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | nscd +199 | 2.26-28.amzn2.0.1 | ALAS2-2018-1048 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | nscd +6 | 2.17-222.el7 | ELSA-2018-0805 |
Advisories 10
- WID-SEC-2026-2751 IBM InfoSphere Guardium: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026
- RHSA-2018:1879 Red Hat Security Advisory: glibc security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2018:0805 Red Hat Security Advisory: glibc security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-3534-1 eglibc, glibc vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- SUSE-SU-2018:2883-1 Security update for glibc SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2185-1 Security update for glibc SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2187-1 Security update for glibc SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0074-1 Security update for glibc SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2018-1048 Moderate: glibc security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Aug 8, 2018
- ELSA-2018-0805 Moderate: glibc security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 16, 2018