xorg-x11-server-1.20.11-34.el9_8.3

エラータID: AXSA:2026-1489:14

Release date: 
Friday, August 7, 2026 - 19:09
Subject: 
xorg-x11-server-1.20.11-34.el9_8.3
Affected Channels: 
MIRACLE LINUX 9 for x86_64
Severity: 
High
Description: 

X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon.

Security Fix(es):

* xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow (CVE-2026-55999)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVE-2026-55999
Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks.

Solution: 

Update packages.

CVEs: 
CVE-2026-55999
Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks.
Additional Info: 

N/A

Download: 

SRPMS
  1. xorg-x11-server-1.20.11-34.el9_8.3.src.rpm
    MD5: b1deccd4846444a44aacaa4011089c70
    SHA-256: 42a5e7026b844b039813033357fa4f6c5a83825f1764a8e390c00263b96497f9
    Size: 6.39 MB

Asianux Server 9 for x86_64
  1. xorg-x11-server-common-1.20.11-34.el9_8.3.x86_64.rpm
    MD5: 521b1638476b0aa02be4832812b4be0d
    SHA-256: e31fd61d1beafe587cfdfe22ed6aa3f74fcebfd453413d7850b46593a99bb687
    Size: 34.23 kB
  2. xorg-x11-server-devel-1.20.11-34.el9_8.3.i686.rpm
    MD5: 6bcb85d204c9c964a57fd6d289574523
    SHA-256: ac756ee8a693dfadd8544efc90cfbeef63b7d65e73d74dc38498f0702e8d272d
    Size: 252.02 kB
  3. xorg-x11-server-devel-1.20.11-34.el9_8.3.x86_64.rpm
    MD5: 2ed73111ff0c83c2b3eebdcb99b79a91
    SHA-256: 82cf702e22ba4bc4a5a82cb5b253d680177ea4e5338438844e86d3019d7ab43e
    Size: 252.00 kB
  4. xorg-x11-server-source-1.20.11-34.el9_8.3.noarch.rpm
    MD5: 51991d46438f9be209f882960c19f9a7
    SHA-256: f59cf3c9e86a89b439430065d94a2f4f7c47863ca3956a51eb9f74c55406fd93
    Size: 2.37 MB
  5. xorg-x11-server-Xdmx-1.20.11-34.el9_8.3.x86_64.rpm
    MD5: 34d80200938b16c54770ef5ac6693d87
    SHA-256: a360790a119655c2a0895e136ec5e756d4962e12ebb421a5683a1c099707eec6
    Size: 901.40 kB
  6. xorg-x11-server-Xephyr-1.20.11-34.el9_8.3.x86_64.rpm
    MD5: 94103ac7fb125e934b1a87c99dafc80c
    SHA-256: 57c33c82ae0a8c6e77d9d9a3778c69664e5867586596698562eea2235a365e35
    Size: 1.02 MB
  7. xorg-x11-server-Xnest-1.20.11-34.el9_8.3.x86_64.rpm
    MD5: 907f9f65b8bdc0e931d3bc14ca2f8d65
    SHA-256: 3fcdaa821762a06c3bb622a666f51ba36be5c1d739ef0153fdfafdb83911a1ef
    Size: 719.21 kB
  8. xorg-x11-server-Xorg-1.20.11-34.el9_8.3.x86_64.rpm
    MD5: 5fcbfb6c67d62e605b73c19158e93d34
    SHA-256: affcada863212505d300cd85691b38dd65cb2e58b7c02474900f0b282d2fc0c4
    Size: 1.46 MB
  9. xorg-x11-server-Xvfb-1.20.11-34.el9_8.3.x86_64.rpm
    MD5: 7f235721d24da241367b039dea4416ca
    SHA-256: a04a2e562ea504b7eba762636a4cf3b21fada5eb246bbe777c46d4c14eaf1775
    Size: 896.20 kB