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CWE-391

24 CVEs • Abstraction: Base • Likelihood of Exploit: Medium

Unchecked Error Condition

[PLANNED FOR DEPRECATION. SEE MAINTENANCE NOTES AND CONSIDER CWE-252, CWE-248, OR CWE-1069.] Ignoring exceptions and other error conditions may allow an attacker to induce unexpected behavior unnoticed.

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CVEs (24)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
CVE-2017-12178
2Debian
X.org
2Debian Linux
X Server
Aug 29, 2025
Jan 24, 2018
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
xorg-x11-server before 1.19.5 had wrong extra length check in ProcXIChangeHierarchy function allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
CVE-2017-12177
2Debian
X.org
2Debian Linux
X Server
Aug 29, 2025
Jan 24, 2018
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
xorg-x11-server before 1.19.5 was vulnerable to integer overflow in ProcDbeGetVisualInfo function allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
CVE-2017-12176
2Debian
X.org
2Debian Linux
X Server
Aug 29, 2025
Jan 24, 2018
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
xorg-x11-server before 1.19.5 was missing extra length validation in ProcEstablishConnection function allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
CVE-2017-7496
1Fedoraproject
1Arm Installer
May 13, 2026
Jun 26, 2017
N/A· v4
7.0 HIGH· v3
4.4 MEDIUM· v2
fedora-arm-installer up to and including 1.99.16 is vulnerable to local privilege escalation due to lack of checking the error condition of mount operation failure on unsafely created temporary directories.