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Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2023-43787 |
A vulnerability was found in libX11 due to an integer overflow within the XCreateImage() function. This flaw allows a local user to trigger an integer overflow and execute arbitrary code with elevated privileges. Published: October 10, 2023; 9:15:22 AM -0400 |
V4.0:(not available) V3.1: 7.8 HIGH V2.0:(not available) |
CVE-2023-43786 |
A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function. This flaw allows a local user to consume all available system resources and cause a denial of service condition. Published: October 10, 2023; 9:15:22 AM -0400 |
V4.0:(not available) V3.1: 5.5 MEDIUM V2.0:(not available) |
CVE-2023-43785 |
A vulnerability was found in libX11 due to a boundary condition within the _XkbReadKeySyms() function. This flaw allows a local user to trigger an out-of-bounds read error and read the contents of memory on the system. Published: October 10, 2023; 9:15:21 AM -0400 |
V4.0:(not available) V3.1: 5.5 MEDIUM V2.0:(not available) |
CVE-2023-3138 |
A vulnerability was found in libX11. The security flaw occurs because the functions in src/InitExt.c in libX11 do not check that the values provided for the Request, Event, or Error IDs are within the bounds of the arrays that those functions write to, using those IDs as array indexes. They trust that they were called with values provided by an Xserver adhering to the bounds specified in the X11 protocol, as all X servers provided by X.Org do. As the protocol only specifies a single byte for these values, an out-of-bounds value provided by a malicious server (or a malicious proxy-in-the-middle) can only overwrite other portions of the Display structure and not write outside the bounds of the Display structure itself, possibly causing the client to crash with this memory corruption. Published: June 28, 2023; 5:15:10 PM -0400 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0:(not available) |
CVE-2021-31535 |
LookupCol.c in X.Org X through X11R7.7 and libX11 before 1.7.1 might allow remote attackers to execute arbitrary code. The libX11 XLookupColor request (intended for server-side color lookup) contains a flaw allowing a client to send color-name requests with a name longer than the maximum size allowed by the protocol (and also longer than the maximum packet size for normal-sized packets). The user-controlled data exceeding the maximum size is then interpreted by the server as additional X protocol requests and executed, e.g., to disable X server authorization completely. For example, if the victim encounters malicious terminal control sequences for color codes, then the attacker may be able to take full control of the running graphical session. Published: May 27, 2021; 9:15:08 AM -0400 |
V4.0:(not available) V3.1: 9.8 CRITICAL V2.0: 7.5 HIGH |
CVE-2020-14363 |
An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as system availability. Published: September 11, 2020; 2:15:13 PM -0400 |
V4.0:(not available) V3.1: 7.8 HIGH V2.0: 4.6 MEDIUM |
CVE-2020-14344 |
An integer overflow leading to a heap-buffer overflow was found in The X Input Method (XIM) client was implemented in libX11 before version 1.6.10. As per upstream this is security relevant when setuid programs call XIM client functions while running with elevated privileges. No such programs are shipped with Red Hat Enterprise Linux. Published: August 05, 2020; 10:15:12 AM -0400 |
V4.0:(not available) V3.1: 6.7 MEDIUM V2.0: 4.6 MEDIUM |
CVE-2018-14600 |
An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c interprets a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution. Published: August 24, 2018; 3:29:01 PM -0400 |
V4.0:(not available) V3.0: 9.8 CRITICAL V2.0: 7.5 HIGH |
CVE-2018-14599 |
An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact. Published: August 24, 2018; 3:29:01 PM -0400 |
V4.0:(not available) V3.1: 9.8 CRITICAL V2.0: 7.5 HIGH |
CVE-2018-14598 |
An issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault). Published: August 24, 2018; 3:29:01 PM -0400 |
V4.0:(not available) V3.0: 7.5 HIGH V2.0: 5.0 MEDIUM |
CVE-2016-7943 |
The XListFonts function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving length fields, which trigger out-of-bounds write operations. Published: December 13, 2016; 3:59:07 PM -0500 |
V4.0:(not available) V3.0: 9.8 CRITICAL V2.0: 7.5 HIGH |
CVE-2016-7942 |
The XGetImage function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving image type and geometry, which triggers out-of-bounds read operations. Published: December 13, 2016; 3:59:05 PM -0500 |
V4.0:(not available) V3.0: 9.8 CRITICAL V2.0: 7.5 HIGH |
CVE-2013-7439 |
Multiple off-by-one errors in the (1) MakeBigReq and (2) SetReqLen macros in include/X11/Xlibint.h in X11R6.x and libX11 before 1.6.0 allow remote attackers to have unspecified impact via a crafted request, which triggers a buffer overflow. Published: April 16, 2015; 10:59:00 AM -0400 |
V4.0:(not available) V3.x:(not available) V2.0: 7.5 HIGH |