How severe is CVE-2013-1983?

CVE-2013-1983 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2013-1983 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1983?

CVE-2013-1983 primarily affects X Libxfixes. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1983?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-1983 published?

CVE-2013-1983 was published on 2013-06-15 and last updated on 2026-06-16.

CVE-2013-1983

CVE-2013-1983 is a medium-severity vulnerability in X Libxfixes with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: X Libxfixes
Published: 2013-06-15
Last modified: 2026-06-16

Description

Integer overflow in X.org libXfixes 5.0 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the XFixesGetCursorImage function.

Frequently asked questions

What is CVE-2013-1983?: Integer overflow in X.org libXfixes 5.0 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the XFixesGetCursorImage function.
How severe is CVE-2013-1983?: CVE-2013-1983 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2013-1983 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1983?: CVE-2013-1983 primarily affects X Libxfixes. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1983?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-1983 published?: CVE-2013-1983 was published on 2013-06-15 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:x:libxfixes:*:*:*:*:*:*:*:*
cpe:2.3:a:x:libxfixes:4.0:*:*:*:*:*:*:*
cpe:2.3:a:x:libxfixes:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:x:libxfixes:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:x:libxfixes:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:x:libxfixes:4.0.4:*:*:*:*:*:*:*
cpe:2.3:a:x:libxfixes:4.0.5:*:*:*:*:*:*:*

Other CWE-189 (Numeric Errors) vulnerabilities

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CVE-2015-3834 — Critical (CVSS 10.0): Multiple integer overflows in the BnHDCP::onTransact function in media/libmedia/IHDCP.cpp in libstagefright in Android…

Browse all CWE-189 (Numeric Errors) vulnerabilities →