CVE-2017-15804
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.80% probability · 86th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- gnu/glibc
- Source
- cve@mitre.org
EPSS 2.8% since 28 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/101535
- https://access.redhat.com/errata/RHSA-2018:0805
- https://access.redhat.com/errata/RHSA-2018:1879
- https://sourceware.org/bugzilla/show_bug.cgi?id=22332Issue Tracking, Patch, Third Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commit%3Bh=a159b53fa059947cc2548e3b0d5bdcf7b9630ba8
- http://www.securityfocus.com/bid/101535
- https://access.redhat.com/errata/RHSA-2018:0805
- https://access.redhat.com/errata/RHSA-2018:1879
- https://sourceware.org/bugzilla/show_bug.cgi?id=22332Issue Tracking, Patch, Third Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commit%3Bh=a159b53fa059947cc2548e3b0d5bdcf7b9630ba8
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.