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CVE-2018-6758

The uwsgi_expand_path function in core/utils.c in Unbit uWSGI through 2.0.15 has a stack-based...

9.8 CriticalFix available

The uwsgi_expand_path function in core/utils.c in Unbit uWSGI through 2.0.15 has a stack-based buffer overflow via a large directory length.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.05%Up 1.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

The uwsgi_expand_path function in core/utils.c in Unbit uWSGI through 2.0.15 has a stack-based buffer overflow via a large directory length.

Record
CVE-2018-6758
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

The uwsgi_expand_path function in core/utils.c in Unbit uWSGI through 2.0.15 has a stack-based buffer overflow via a large directory length.

Record
CVE-2018-6758
Updated
2026-11-02
EUVDEUVD-2018-18505 No score

The uwsgi_expand_path function in core/utils.c in Unbit uWSGI through 2.0.15 has a stack-based buffer overflow via a large directory length.

Record
EUVD-2018-18505
Updated
2026-11-03
GitHub AdvisoriesGHSA-gp37-5368-2566 9.8

The uwsgi_expand_path function in core/utils.c in Unbit uWSGI through 2.0.15 has a stack-based...

The uwsgi_expand_path function in core/utils.c in Unbit uWSGI through 2.0.15 has a stack-based buffer overflow via a large directory length.

Record
GHSA-gp37-5368-2566
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
OSVALPINE-CVE-2018-6758 9.8

The uwsgi_expand_path function in core/utils.c in Unbit uWSGI through 2.0.15 has a stack-based buffer overflow via a large directory length.

Record
ALPINE-CVE-2018-6758
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVBELL-CVE-2018-6758 9.8

CVE-2018-6758 does not affect BellSoft software

Record
BELL-CVE-2018-6758
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 4 moreShow less
OSV 9.8

The uwsgi_expand_path function in core/utils.c in Unbit uWSGI through 2.0.15 has a stack-based buffer overflow via a large directory length.

Record
CVE-2018-6758
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-6758 9.8

The uwsgi_expand_path function in core/utils.c in Unbit uWSGI through 2.0.15 has a stack-based buffer overflow via a large directory length.

Record
DEBIAN-CVE-2018-6758
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2018-6758 9.8

The uwsgi_expand_path function in core/utils.c in Unbit uWSGI through 2.0.15 has a stack-based buffer overflow via a large directory length.

Record
UBUNTU-CVE-2018-6758
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2024:11490-1 No score

apache2-mod_uwsgi-2.0.19.1-3.10 on GA media

These are all security issues fixed in the apache2-mod_uwsgi-2.0.19.1-3.10 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11490-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
uwsgi
Alpine:v3.10
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.11
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.12
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.13
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.14
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.15
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.16
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.17
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.18
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.19
 before 2.0.16-r0
2.0.16-r0
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Affected packages
PackageAffectedFixed
uwsgi
Alpine:v3.20
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.21
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.22
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.23
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.24
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.4
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.5
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.6
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.7
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.8
 before 2.0.16-r0
2.0.16-r0
uwsgi
Alpine:v3.9
 before 2.0.16-r0
2.0.16-r0
uwsgi
Debian:12
 before 2.0.15-10.2
2.0.15-10.2
uwsgi
Debian:13
 before 2.0.15-10.2
2.0.15-10.2
uwsgi
Debian:14
 before 2.0.15-10.2
2.0.15-10.2
uwsgi
Debian:7
 before 1.2.3+dfsg-5+deb7u2, plus listed versions
1.2.3+dfsg-51.2.3+dfsg-5+deb7u1
1.2.3+dfsg-5+deb7u2
uwsgi
Ubuntu:14.04:LTS
 before 1.9.17.1-5ubuntu0.1, plus listed versions
1.9.13-4build11.9.17.1-51.9.17.1-5build21.9.17.1-5build41.9.17.1-5build5
1.9.17.1-5ubuntu0.1
uwsgi
Ubuntu:16.04:LTS
 before 2.0.12-5ubuntu3.2, plus listed versions
2.0.7-1ubuntu52.0.7-1ubuntu62.0.11.2-6ubuntu12.0.11.2-6ubuntu22.0.12-4ubuntu2
Show 4 moreShow less
2.0.12-5ubuntu12.0.12-5ubuntu22.0.12-5ubuntu32.0.12-5ubuntu3.1
2.0.12-5ubuntu3.2
uwsgi
openSUSE:Tumbleweed
 before 2.0.19.1-3.10
2.0.19.1-3.10

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-6758 is a critical vulnerability (CVSS 9.8) in Unbit Uwsgi, published February 6, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.05%, the 81st percentile. Fixed in uwsgi 2.0.16-r0.

References

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