Summary
Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients.
Security Fix(es):
* xorg-x11-server: XkbGetKbdByName use-after-free (CVE-2022-4283)
* xorg-x11-server: XTestSwapFakeInput stack overflow (CVE-2022-46340)
* xorg-x11-server: XIPassiveUngrab out-of-bounds access (CVE-2022-46341)
* xorg-x11-server: XvdiSelectVideoNotify use-after-free (CVE-2022-46342)
* xorg-x11-server: ScreenSaverSetAttributes use-after-free (CVE-2022-46343)
* xorg-x11-server: XIChangeProperty out-of-bounds access (CVE-2022-46344)
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.
Additional Changes:
For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.
Fixed packages 7
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | tigervnc | 1.12.0-15.el8_8 |
| AlmaLinux · 8 | tigervnc-icons | 1.12.0-15.el8_8 |
| AlmaLinux · 8 | tigervnc-license | 1.12.0-15.el8_8 |
| AlmaLinux · 8 | tigervnc-selinux | 1.12.0-15.el8_8 |
| AlmaLinux · 8 | tigervnc-server | 1.12.0-15.el8_8 |
| AlmaLinux · 8 | tigervnc-server-minimal | 1.12.0-15.el8_8 |
| AlmaLinux · 8 | tigervnc-server-module | 1.12.0-15.el8_8 |
Vulnerabilities 6
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High 8.8
A vulnerability was found in X.Org. This security flaw occurs becuase the swap handler for the XTestFakeInput request o…
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High 8.8
A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIPassiveUngrab request acces…
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High 8.8
A vulnerability was found in X.Org. This security flaw occurs because the handler for the XvdiSelectVideoNotify request…
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High 8.8
A vulnerability was found in X.Org. This security flaw occurs because the handler for the ScreenSaverSetAttributes requ…
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High 7.8
A vulnerability was found in X.Org. This security flaw occurs because the XkbCopyNames function left a dangling pointer…
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Unscored —
A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIChangeProperty request has …
References
-
report
https://access.redhat.com/security/cve/CVE-2022-4283
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report
https://access.redhat.com/security/cve/CVE-2022-46340
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report
https://access.redhat.com/security/cve/CVE-2022-46341
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report
https://access.redhat.com/security/cve/CVE-2022-46342
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report
https://access.redhat.com/security/cve/CVE-2022-46343
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report
https://access.redhat.com/security/cve/CVE-2022-46344
-
report
https://bugzilla.redhat.com/2151755
-
report
https://bugzilla.redhat.com/2151756
-
report
https://bugzilla.redhat.com/2151757
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report
https://bugzilla.redhat.com/2151758
-
report
https://bugzilla.redhat.com/2151760
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report
https://bugzilla.redhat.com/2151761
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advisory
https://errata.almalinux.org/8/ALSA-2023-2830.html