glibc: Buffer overflow in glob with GLOB_TILDE
Published Oct 20, 2017
9.8
CRITICALCVSS 3.0
EPSS 2.98%
Description
The GNU C Library (aka glibc or libc6) before 2.27 contains an off-by-one error leading to a heap-based buffer overflow in the glob function in glob.c, related to the processing of home directories using the ~ operator followed by a long string.
Affected products
No data.
No data.
Red Hat Enterprise Linux 6
glibc-0:2.12-1.212.el6
Fixed · RHSA-2018:1879
Red Hat Enterprise Linux 7
glibc-0:2.17-222.el7
Fixed · RHSA-2018:0805
Red Hat Enterprise Linux 5
compat-glibc
Will not fix
Red Hat Enterprise Linux 5
glibc
Will not fix
Red Hat Enterprise Linux 6
compat-glibc
Will not fix
Red Hat Enterprise Linux 7
compat-glibc
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | glibc-0:2.12-1.212.el6 | Fixed | RHSA-2018:1879 |
| Red Hat Enterprise Linux 7 | glibc-0:2.17-222.el7 | Fixed | RHSA-2018:0805 |
| Red Hat Enterprise Linux 5 | compat-glibc | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | glibc | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | compat-glibc | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | compat-glibc | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.98% (0.02977) | 86.79th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.00% (0.03002) | 85.58th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.26% (0.00259) | 66.09th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.26% (0.00259) | 64.73th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.26% (0.00259) | 61.89th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.04% (0.01040) | 28.32th | v1 |
| Jan 6, 2022 | 1.04% (0.01040) | 27.69th | v1 |
| Sep 1, 2021 | 1.04% (0.01040) | 64.49th | v1 |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
References (8)
- http://www.securityfocus.com/bid/101521 vdb-entryx_refsource_BID
- https://access.redhat.com/errata/RHSA-2018:0805 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2018:1879 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2017-15670 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1504804 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2017-15670
- https://sourceware.org/bugzilla/show_bug.cgi?id=22320 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-15670
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/101521 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/errata/RHSA-2018:0805 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2018:1879 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2017-15670 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1504804 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-15670 | ||
| https://sourceware.org/bugzilla/show_bug.cgi?id=22320 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2017-15670 |
Change history (0)
No recorded changes yet.