CVE-2013-1996: n/a vulnerability

CVE-2013-1996: X.org libFS 1.0.4 and earlier allows X servers to trigger allocation of insufficient memory and a buffer ov...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 15:20 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2013-1996 is an old X.Org libFS memory-corruption flaw. A malicious or compromised server contacted by libFS could cause insufficient allocation and a buffer overflow. Business risk is mainly for legacy Linux/Unix environments still running affected X.Org client libraries. Exposure is most likely on older Linux/Unix systems with X.Org libFS 1.0.4 or earlier, especially where X client libraries connect to untrusted or compromised servers. Modern fully patched distributions are less likely to remain exposed, but legacy systems should be checked. Treat this as a legacy exposure cleanup item unless vulnerable systems are still in active use or connect to untrusted graphical infrastructure. Prioritize patching on shared servers, VDI, engineering workstations, and unsupported operating systems. Mitigation focus: Apply the relevant Debian, Ubuntu, or X.Org security updates for libFS/X.Org client libraries.; Inventory legacy systems for X.Org libFS 1.0.4 or earlier.; Avoid connecting affected X.Org clients to untrusted servers until patched..

Prepared: Jun 14, 2026, 22:07 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jun 15, 2013, 20:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

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Weakness

CWE details

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