Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2023-43787: libX11: integer overflow in XCreateImage() leading to a heap overflow. CVE-2023-43785: libX11: out-of-bounds memory access in _XkbReadKeySyms()
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | libX11 | 0:1.6.7-3.amzn2.0.4 |
| Amazon Linux · 2 | libX11-common | 0:1.6.7-3.amzn2.0.4 |
| Amazon Linux · 2 | libX11-debuginfo | 0:1.6.7-3.amzn2.0.4 |
| Amazon Linux · 2 | libX11-devel | 0:1.6.7-3.amzn2.0.4 |
Vulnerabilities 2
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High 7.8
Libx11: integer overflow in xcreateimage() leading to a heap overflow
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.
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Medium 6.5
Libx11: out-of-bounds memory access in _xkbreadkeysyms()
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.