CVE-2013-1996

CVE-2013-1996 is a medium-severity vulnerability in X Libfs 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-119.

Key facts

Description

X.org libFS 1.0.4 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to an unexpected sign extension in the FSOpenServer function.

Frequently asked questions

What is CVE-2013-1996?
X.org libFS 1.0.4 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to an unexpected sign extension in the FSOpenServer function.
How severe is CVE-2013-1996?
CVE-2013-1996 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2013-1996 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1996?
CVE-2013-1996 primarily affects X Libfs. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1996?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-1996 published?
CVE-2013-1996 was published on 2013-06-15 and last updated on 2026-06-16.

References

Affected products (4)

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