CVE-2014-8098
Debian Linux vulnerability
The GLX extension in XFree86 4.0, 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) __glXDisp_Render, (2) __glXDisp_RenderLarge, (3) __glXDispSwap_VendorPrivate, (4) __glXDispSwap_VendorPrivateWithReply, (5) set_client_info, (6) __glXDispSwap_SetClientInfoARB, (7) DoSwapInterval, (8) DoGetProgramString, (9) DoGetString, (10) __glXDispSwap_RenderMode, (11) __glXDisp_GetCompressedTexImage, (12) __glXDispSwap_GetCompressedTexImage, (13) __glXDisp_FeedbackBuffer, (14) __glXDispSwap_FeedbackBuffer, (15) __glXDisp_SelectBuffer, (16) __glXDispSwap_SelectBuffer, (17) __glXDisp_Flush, (18) __glXDispSwap_Flush, (19) __glXDisp_Finish, (20) __glXDispSwap_Finish, (21) __glXDisp_ReadPixels, (22) __glXDispSwap_ReadPixels, (23) __glXDisp_GetTexImage, (24) __glXDispSwap_GetTexImage, (25) __glXDisp_GetPolygonStipple, (26) __glXDispSwap_GetPolygonStipple, (27) __glXDisp_GetSeparableFilter, (28) __glXDisp_GetSeparableFilterEXT, (29) __glXDisp_GetConvolutionFilter, (30) __glXDisp_GetConvolutionFilterEXT, (31) __glXDisp_GetHistogram, (32) __glXDisp_GetHistogramEXT, (33) __glXDisp_GetMinmax, (34) __glXDisp_GetMinmaxEXT, (35) __glXDisp_GetColorTable, (36) __glXDisp_GetColorTableSGI, (37) GetSeparableFilter, (38) GetConvolutionFilter, (39) GetHistogram, (40) GetMinmax, or (41) GetColorTable function.
Affected product
Debian Linux
CVSS vector
AV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness type (CWE)
- CWE-119 — Improper Restriction of Operations within Memory Bounds
Risk analysis
Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring single-factor authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.
Its EPSS score of 5.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.
Check your external exposure to CVE-2014-8098
- Confirm whether Debian Debian Linux is running on any internet-facing host or subdomain.
- Match discovered service fingerprints against the version affected by CVE-2014-8098.
- Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.
How ThreatPort helps with CVE-2014-8098
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