Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2026-16118: A flaw was found in xdgmime. A heap-based buffer overflow can be triggered in _xdg_mime_magic_parse_magic_line() in the xdgmimemagic.c file on little-endian systems when an attacker-controlled MIME magic file in a user-writable XDG data location (e.g., in the $XDG_DATA_HOME/mime/magic path) is parsed by an application performing MIME type detection (e.g., via g_content_type_guess()). When performing byte-swap, incorrect pointer arithmetic on the write side causes an out-of-bounds write of 2 bytes, resulting in an application crash or memory corruption.
Fixed packages 7
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | glib2 | 0:2.56.1-9.amzn2.0.15 |
| Amazon Linux · 2 | glib2-debuginfo | 0:2.56.1-9.amzn2.0.15 |
| Amazon Linux · 2 | glib2-devel | 0:2.56.1-9.amzn2.0.15 |
| Amazon Linux · 2 | glib2-doc | 0:2.56.1-9.amzn2.0.15 |
| Amazon Linux · 2 | glib2-fam | 0:2.56.1-9.amzn2.0.15 |
| Amazon Linux · 2 | glib2-static | 0:2.56.1-9.amzn2.0.15 |
| Amazon Linux · 2 | glib2-tests | 0:2.56.1-9.amzn2.0.15 |
Vulnerabilities 1
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High 7.1
Xdgmime: heap-based buffer overflow in _xdg_mime_magic_parse_magic_line() in xdgmimemagic.c
A flaw was found in xdgmime. A heap-based buffer overflow can be triggered in _xdg_mime_magic_parse_magic_line() in the xdgmimemagic.c file on little-endian systems when an attacker-controlled MIME magic file in a user-writable XDG data location (e.g., in the…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-16118.html