CVE-2013-2063
CVE-2013-2063 is a medium-severity vulnerability in X Libxtst 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: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-189
- Affected product: X Libxtst
- Published:
- Last modified:
Description
Integer overflow in X.org libXtst 1.2.1 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the XRecordGetContext function.
Frequently asked questions
- What is CVE-2013-2063?
- Integer overflow in X.org libXtst 1.2.1 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the XRecordGetContext function.
- How severe is CVE-2013-2063?
- CVE-2013-2063 has a CVSS 2.0 base score of 6.8, rated medium severity.
- Is CVE-2013-2063 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2013-2063?
- CVE-2013-2063 primarily affects X Libxtst. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2013-2063?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2013-2063 published?
- CVE-2013-2063 was published on 2013-06-15 and last updated on 2026-06-16.
References
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106886.html
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00160.html
- http://www.debian.org/security/2013/dsa-2689
- http://www.openwall.com/lists/oss-security/2013/05/23/3
- http://www.ubuntu.com/usn/USN-1866-1
- http://www.x.org/wiki/Development/Security/Advisory-2013-05-23
Affected products (7)
- cpe:2.3:a:x:libxtst:*:*:*:*:*:*:*:*
- cpe:2.3:a:x:libxtst:1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:x:libxtst:1.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:x:libxtst:1.0.99.1:*:*:*:*:*:*:*
- cpe:2.3:a:x:libxtst:1.0.99.2:*:*:*:*:*:*:*
- cpe:2.3:a:x:libxtst:1.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:x:libxtst:1.2.0:*:*:*:*:*:*:*
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