TI-2017-11560 Aliases CVE-2017-15804 GHSA-3r84-39rf-qwh3

The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27…

MEDIUM 47CWE-119Published 2017-10-22 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Partial Red Hat: 18 fixed, 1 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.02801 86th percentileScored 2026-11-07

Fix Partial Red Hat: 2 advisoriesRed Hat: 18 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:gnu:glibc::::::::	up to 2.26	Vulnerable	GNU

cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* Versions up to 2.26 Vulnerable ·GNU

Remediation

Red Hat 2 advisories

RHSA-2018:1879 Released 2018-06-19 · Red Hat rating Moderate
glibc security and bug fix update
- Red Hat Enterprise Linux Desktop (v. 6) glibc-2.12-1.212.el6, glibc-common-2.12-1.212.el6, glibc-devel-2.12-1.212.el6 +3
- Red Hat Enterprise Linux Desktop Optional (v. 6) glibc-static-2.12-1.212.el6
- Red Hat Enterprise Linux HPC Node (v. 6) glibc-2.12-1.212.el6, glibc-common-2.12-1.212.el6, glibc-devel-2.12-1.212.el6 +3
- Red Hat Enterprise Linux HPC Node Optional (v. 6) glibc-static-2.12-1.212.el6
- Red Hat Enterprise Linux Server (v. 6) glibc-2.12-1.212.el6, glibc-2.12-1.212.el6.ppc, glibc-common-2.12-1.212.el6 +5
- Red Hat Enterprise Linux Server Optional (v. 6) glibc-static-2.12-1.212.el6, glibc-static-2.12-1.212.el6.ppc
- Red Hat Enterprise Linux Workstation (v. 6) glibc-2.12-1.212.el6, glibc-common-2.12-1.212.el6, glibc-devel-2.12-1.212.el6 +3
- Red Hat Enterprise Linux Workstation Optional (v. 6) glibc-static-2.12-1.212.el6
RHSA-2018:0805 Released 2018-04-10 · Red Hat rating Moderate
glibc security, bug fix, and enhancement update
- Red Hat Enterprise Linux Client (v. 7) glibc-2.17-222.el7, glibc-common-2.17-222.el7, glibc-devel-2.17-222.el7 +3
- Red Hat Enterprise Linux Client Optional (v. 7) glibc-static-2.17-222.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) glibc-2.17-222.el7, glibc-common-2.17-222.el7, glibc-devel-2.17-222.el7 +3
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) glibc-static-2.17-222.el7
- Red Hat Enterprise Linux Server (v. 7) glibc-2.17-222.el7, glibc-2.17-222.el7.ppc, glibc-common-2.17-222.el7 +5
- Red Hat Enterprise Linux Server Optional (v. 7) glibc-static-2.17-222.el7, glibc-static-2.17-222.el7.ppc
- Red Hat Enterprise Linux Workstation (v. 7) glibc-2.17-222.el7, glibc-common-2.17-222.el7, glibc-devel-2.17-222.el7 +3
- Red Hat Enterprise Linux Workstation Optional (v. 7) glibc-static-2.17-222.el7
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) glibc-2.17-222.el7, glibc-common-2.17-222.el7, glibc-devel-2.17-222.el7 +3
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) glibc-static-2.17-222.el7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 7	Affected	No fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)	Fixed	RHSA-2018:0805
Red Hat Enterprise Linux Client Optional (v. 7)	Fixed	RHSA-2018:0805
Red Hat Enterprise Linux ComputeNode (v. 7)	Fixed	RHSA-2018:0805
Red Hat Enterprise Linux ComputeNode Optional (v. 7)	Fixed	RHSA-2018:0805
Red Hat Enterprise Linux Desktop (v. 6)	Fixed	RHSA-2018:1879
Red Hat Enterprise Linux Desktop Optional (v. 6)	Fixed	RHSA-2018:1879
Red Hat Enterprise Linux HPC Node (v. 6)	Fixed	RHSA-2018:1879
Red Hat Enterprise Linux HPC Node Optional (v. 6)	Fixed	RHSA-2018:1879
Red Hat Enterprise Linux Server (v. 6)	Fixed	RHSA-2018:1879
Red Hat Enterprise Linux Server (v. 7)	Fixed	RHSA-2018:0805
Red Hat Enterprise Linux Server Optional (v. 6)	Fixed	RHSA-2018:1879
Red Hat Enterprise Linux Server Optional (v. 7)	Fixed	RHSA-2018:0805
Red Hat Enterprise Linux Workstation (v. 6)	Fixed	RHSA-2018:1879
Red Hat Enterprise Linux Workstation (v. 7)	Fixed	RHSA-2018:0805
Red Hat Enterprise Linux Workstation Optional (v. 6)	Fixed	RHSA-2018:1879
Red Hat Enterprise Linux Workstation Optional (v. 7)	Fixed	RHSA-2018:0805
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)	Fixed	RHSA-2018:0805
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)	Fixed	RHSA-2018:0805

Not affected: 2 products

Red Hat Enterprise Linux 5
Red Hat Enterprise Linux 6

Timeline

2026-10-02 Threatist record created from CVE-2017-15804
2026-10-03 Alias added: GHSA-3r84-39rf-qwh3

References

Patch 1

https://sourceware.org/bugzilla/show_bug.cgi?id=22332

Advisory 2

Other 1

https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commit%3Bh=a159b53fa059947cc2548e3b0d5bdcf7b9630ba8

TI-2023-04522 Glibc: buffer overflow in ld.so leading to privilege escalation KEVCVSS 3.1HIGH 7.8
TI-2015-00205 Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and… CVSS 2.0HIGH 10.0
TI-2026-04772 scanf %mc off-by-one heap buffer overflow CVSS 3.1CRITICAL 9.8
TI-2022-07360 The deprecated compatibility function clnt_create in the sunrpc module of the GNU C… CVSS 3.1CRITICAL 9.8
TI-2022-07359 The deprecated compatibility function svcunix_create in the sunrpc module of the GNU C… CVSS 3.1CRITICAL 9.8
TI-2015-06274 Multiple stack-based buffer overflows in the (1) send_dg and (2) send_vc functions in the… CVSS 3.0HIGH 8.1

See all 162 →

Sources

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