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October 2020

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Subject:
Security ERRATA Moderate: tigervnc on SL7.x x86_64
From:
Farhan Ahmed <[log in to unmask]>
Reply To:
[log in to unmask]
Date:
Tue, 20 Oct 2020 17:57:44 -0000
Content-Type:
text/plain
Parts/Attachments:
text/plain (44 lines) 
Synopsis:          Moderate: tigervnc security and bug fix update
Advisory ID:       SLSA-2020:3875-1
Issue Date:        2020-10-01
CVE Numbers:       CVE-2019-15694
                   CVE-2019-15692
                   CVE-2019-15695
                   CVE-2019-15691
                   CVE-2019-15693
--

Security Fix(es):

* tigervnc: Stack use-after-return due to incorrect usage of stack memory
in ZRLEDecoder (CVE-2019-15691)

* tigervnc: Heap buffer overflow triggered from CopyRectDecoder due to
incorrect value checks (CVE-2019-15692)

* tigervnc: Heap buffer overflow in TightDecoder::FilterGradient
(CVE-2019-15693)

* tigervnc: Heap buffer overflow in DecodeManager::decodeRect
(CVE-2019-15694)

* tigervnc: Stack buffer overflow in CMsgReader::readSetCursor
(CVE-2019-15695)
--

SL7
  x86_64
    tigervnc-server-minimal-1.8.0-21.el7.x86_64.rpm
    tigervnc-license-1.8.0-21.el7.noarch.rpm
    tigervnc-1.8.0-21.el7.x86_64.rpm
    tigervnc-icons-1.8.0-21.el7.noarch.rpm
    tigervnc-server-1.8.0-21.el7.x86_64.rpm
    tigervnc-debuginfo-1.8.0-21.el7.x86_64.rpm
    tigervnc-server-module-1.8.0-21.el7.x86_64.rpm
  noarch
    tigervnc-icons-1.8.0-21.el7.noarch.rpm
    tigervnc-license-1.8.0-21.el7.noarch.rpm
    tigervnc-server-applet-1.8.0-21.el7.noarch.rpm

- Scientific Linux Development Team

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