What’s Vulnerable › Vulnerabilities

CVE-2014-8100

• Severity: medium (CVSS 6.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-12-10 · updated 2026-06-17
• Weakness: CWE-119

Description

The Render extension in XFree86 4.0.1, X.Org X Window System (aka X11 or X) X11R6.7, and X.Org Server (aka xserver and xorg-server) before 1.16.3 allows remote authenticated users to cause a denial of service (out-of-bounds read or write) or possibly execute arbitrary code via a crafted length or index value to the (1) ProcRenderQueryVersion, (2) SProcRenderQueryVersion, (3) SProcRenderQueryPictFormats, (4) SProcRenderQueryPictIndexValues, (5) SProcRenderCreatePicture, (6) SProcRenderChangePicture, (7) SProcRenderSetPictureClipRectangles, (8) SProcRenderFreePicture, (9) SProcRenderComposite, (10) SProcRenderScale, (11) SProcRenderCreateGlyphSet, (12) SProcRenderReferenceGlyphSet, (13) SProcRenderFreeGlyphSet, (14) SProcRenderFreeGlyphs, or (15) SProcRenderCompositeGlyphs function.

Affected products

• X.Org X11: 6.7
• xorg-x11-server: through 1.16.2.99.901
• X.Org Xfree86: 4.0.1

References

• http://advisories.mageia.org/MGASA-2014-0532.html
• http://secunia.com/advisories/61947
• http://secunia.com/advisories/62292
• http://www.debian.org/security/2014/dsa-3095
• http://www.mandriva.com/security/advisories?name=MDVSA-2015:119
• http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
• http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
• http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
• http://www.securityfocus.com/bid/71602
• http://www.x.org/wiki/Development/Security/Advisory-2014-12-09/
• https://security.gentoo.org/glsa/201504-06
• http://advisories.mageia.org/MGASA-2014-0532.html

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