Fixed packages 7
| Release | Package | Fixed in |
|---|---|---|
| Red Hat · RHEL 8 enterprise_linux:8::appstream | libX11 | 0:1.6.8-10.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::appstream | libX11-common | 0:1.6.8-10.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::appstream | libX11-debuginfo | 0:1.6.8-10.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::appstream | libX11-debugsource | 0:1.6.8-10.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::appstream | libX11-devel | 0:1.6.8-10.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::appstream | libX11-xcb | 0:1.6.8-10.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::appstream | libX11-xcb-debuginfo | 0:1.6.8-10.el8_10 |
Vulnerabilities 1
-
High 7.5
libX11 XkbGetMap Reply Heap-based Buffer Overflow
A malicious X server could exploit a buffer overflow in libX11 before 1.8.14 during handling of XkbGetMap overflowing the key_sym_map.
References
-
article
https://access.redhat.com/security/updates/classification/#important
-
report
https://bugzilla.redhat.com/show_bug.cgi?id=2538514
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advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_89730.json
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report
https://access.redhat.com/security/cve/CVE-2026-88806
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-88806
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-88806
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article
https://gitlab.freedesktop.org/xorg/lib/libx11/-/merge_requests/309