nodejs-brace-expansion: Regular expression denial of service
Published Jan 27, 2018
7.5
HIGHCVSS 3.0
EPSS 2.58%
Description
index.js in brace-expansion before 1.1.7 is vulnerable to Regular Expression Denial of Service (ReDoS) attacks, as demonstrated by an expand argument containing many comma characters.
Affected products
No data.
- < 1.1.7
No data.
Red Hat Software Collections for Red Hat Enterprise Linux 7
rh-nodejs8-nodejs-0:8.17.0-2.el7
Fixed · RHSA-2020:2625
Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS
rh-nodejs8-nodejs-0:8.17.0-2.el7
Fixed · RHSA-2020:2625
Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS
rh-nodejs8-nodejs-0:8.17.0-2.el7
Fixed · RHSA-2020:2625
Red Hat Mobile Application Platform 4
fh-aaa
Will not fix
Red Hat OpenShift Enterprise 3
nodejs-brace-expansion
Will not fix
Red Hat Quay 3
quay/quay-rhel8
Fix deferred
Red Hat Software Collections
rh-nodejs4-nodejs-brace-expansion
Will not fix
Red Hat Software Collections
rh-nodejs6-nodejs-brace-expansion
Will not fix
Red Hat Software Collections
rh-nodejs8-nodejs-brace-expansion
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | rh-nodejs8-nodejs-0:8.17.0-2.el7 | Fixed | RHSA-2020:2625 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS | rh-nodejs8-nodejs-0:8.17.0-2.el7 | Fixed | RHSA-2020:2625 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS | rh-nodejs8-nodejs-0:8.17.0-2.el7 | Fixed | RHSA-2020:2625 |
| Red Hat Mobile Application Platform 4 | fh-aaa | Will not fix | n/a |
| Red Hat OpenShift Enterprise 3 | nodejs-brace-expansion | Will not fix | n/a |
| Red Hat Quay 3 | quay/quay-rhel8 | Fix deferred | n/a |
| Red Hat Software Collections | rh-nodejs4-nodejs-brace-expansion | Will not fix | n/a |
| Red Hat Software Collections | rh-nodejs6-nodejs-brace-expansion | Will not fix | n/a |
| Red Hat Software Collections | rh-nodejs8-nodejs-brace-expansion | Affected | n/a |
brace-expansion
npm
Introduced 0 Fixed 1.1.7
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | brace-expansion | 0 | 1.1.7 |
Remediation
Red Hat statement
Red Hat Quay include brace-explansion as a build time dependency. It's not used at runtime and hence has a reduce impact of low.
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:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
AV:N/AC:L/Au:N/C:N/I:N/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 2, 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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.58% (0.02580) | 84.69th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.63% (0.02630) | 83.48th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.13% (0.00125) | 47.57th | v3 (v2023.03.01) |
| May 24, 2024 | 0.13% (0.00125) | 47.02th | v3 (v2023.03.01) |
| May 10, 2024 | 0.10% (0.00104) | 42.31th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.08% (0.00085) | 35.33th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.07% (0.00075) | 30.44th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.07% (0.00068) | 27.31th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.36% (0.00355) | 67.58th | 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 | 1.29% (0.01294) | 30.79th | v1 |
| Jan 6, 2022 | 1.29% (0.01294) | 30.15th | v1 |
| Sep 1, 2021 | 1.29% (0.01294) | 69.02th | v1 |
| Apr 14, 2021 | 1.29% (0.01294) | 0.00th | v1 |
References (11)
- https://access.redhat.com/security/cve/CVE-2017-18077 Vendor Advisory
- https://bugs.debian.org/862712 x_refsource_MISCThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1448380 Issue Tracking
- https://github.com/advisories/GHSA-832h-xg76-4gv6 Advisory
- https://github.com/juliangruber/brace-expansion/issues/33 x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
- https://github.com/juliangruber/brace-expansion/pull/35
- https://github.com/juliangruber/brace-expansion/pull/35/commits/b13381281cead487cbdbfd6a69fb097ea5e456c3 x_refsource_MISCPatchThird Party Advisory
- https://nodesecurity.io/advisories/338 x_refsource_MISCExploitThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-18077
- https://www.cve.org/CVERecord?id=CVE-2017-18077
- https://www.npmjs.com/advisories/338
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2017-18077 | Vendor Advisory | |
| https://bugs.debian.org/862712 | x_refsource_MISCThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1448380 | Issue Tracking | |
| https://github.com/advisories/GHSA-832h-xg76-4gv6 | Advisory | |
| https://github.com/juliangruber/brace-expansion/issues/33 | x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory | |
| https://github.com/juliangruber/brace-expansion/pull/35 | ||
| https://github.com/juliangruber/brace-expansion/pull/35/commits/b13381281cead487cbdbfd6a69fb097ea5e456c3 | x_refsource_MISCPatchThird Party Advisory | |
| https://nodesecurity.io/advisories/338 | x_refsource_MISCExploitThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-18077 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-18077 | ||
| https://www.npmjs.com/advisories/338 |
Change history (0)
No recorded changes yet.