CVE-2026-19553: Improper Validation of Certificate with Host Mismatch

ssl.SSLContext.wrapbio didn't require the serverhostname argument to not be None if ssl.SSLContext.checkhostname was set. Due to a missing parameter check in SSLObject, if the serverhostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead to...

CentOS Linux 7 [TuxCare] Security Update: python / python-debug / python-devel / python-libs / python-test / etc (CENTOS7:CLSA-2026:1772146735)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1772146735 advisory. - In Python aka CPython up to 3.10.8, the mailcap module does not add escape characters into commands discovered in the system mailcap file. This...

CentOS Linux 8.5 [TuxCare] Security Update: platform-python / platform-python-debug / platform-python-devel / etc Multiple Vulnerabilities (CENTOS8.5:CLSA-2026:1782139078)

The CentOS Linux 8.5 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.5:CLSA-2026:1782139078 advisory. - When using http.cookies.Morsel, user-controlled cookie values and parameters can allow injecting HTTP headers into messages. Patch...

AlmaLinux 9.2 [TuxCare] Security Update: python-unversioned-command / python3 / python3-debug / etc (ALMALINUX9.2:CLSA-2026:1775654402)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1775654402 advisory. - The webbrowser.open API would accept leading dashes in the URL which could be handled as command line options for certain web browsers. New...

Rocky Linux 9.6 [TuxCare] Security Update: python-unversioned-command / python3 / python3-debug / etc (ALMALINUX9.6:CLSA-2026:1776169648)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1776169648 advisory. - The webbrowser.open API would accept leading dashes in the URL which could be handled as command line options for certain web browsers. N...

AlmaLinux 9.2 [TuxCare] Security Update: python-unversioned-command / python3 / python3-debug / etc (ALMALINUX9.2:CLSA-2026:1784137549)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1784137549 advisory. - The incremental HTML parser html.parser.HTMLParser allows for CPU denial-of-service through repeated unterminated markup declarations when...

AlmaLinux 9.6 [TuxCare] Security Update: python-unversioned-command / python3 / python3-debug / etc (ALMALINUX9.6:CLSA-2026:1776169648)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1776169648 advisory. - The webbrowser.open API would accept leading dashes in the URL which could be handled as command line options for certain web browsers. New...

CentOS Linux 6 [TuxCare] Security Update: python / python-devel / python-libs / python-test / python-tools / etc (CENTOS6:CLSA-2026:1788794443)

The CentOS Linux 6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2026:1788794443 advisory. - When using the configparser module to write configuration files containing multi-line text values with carriage return characters \r the...

CentOS Linux 8 [TuxCare] Security Update: platform-python / platform-python-debug / platform-python-devel / etc Multiple Vulnerabilities (CENTOS-STREAM8:CLSA-2026:1772631219)

The CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS-STREAM8:CLSA-2026:1772631219 advisory. Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number...

Rocky Linux 9.6 [TuxCare] Security Update: python-unversioned-command / python3 / python3-debug / etc (ALMALINUX9.6:CLSA-2026:1778831359)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1778831359 advisory. - Use-after-free UAF was possible in the lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile when a memory allocation fails with ...

CentOS Linux 7 [TuxCare] Security Update: python / python-debug / python-devel / python-libs / python-test / etc (CENTOS7:CLSA-2026:1786223340)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1786223340 advisory. - When using the tarfile module with a file opened in streaming mode mode=r| the tarfile module did not properly handle EOF, making archive parsi...

CentOS Linux 8.5 [TuxCare] Security Update: platform-python / platform-python-debug / platform-python-devel / etc (CENTOS8.5:CLSA-2026:1785456223)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1785456223 advisory. - When using the tarfile module with a file opened in streaming mode mode=r| the tarfile module did not properly handle EOF, making archive...

CVE-2026-103001: Modification of Assumed-Immutable Data (MAID)

PyJWT is a Python implementation of JSON Web Token standards. From 2.11.0 through 2.13.0, PyJWT's PyJWT.mergeoptions method can modify a caller-supplied mutable options mapping when verifysignature is false. If an application reuses that same mapping for a later decode or decodecomplete call and...

CentOS Linux 8.4 [TuxCare] Security Update: platform-python / platform-python-debug / platform-python-devel / etc Multiple Vulnerabilities (CENTOS8.4:CLSA-2026:1782159334)

The CentOS Linux 8.4 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.4:CLSA-2026:1782159334 advisory. - When using http.cookies.Morsel, user-controlled cookie values and parameters can allow injecting HTTP headers into messages. Patch...

AlmaLinux 9.6 [TuxCare] Security Update: python-unversioned-command / python3 / python3-debug / etc (ALMALINUX9.6:CLSA-2026:1778831359)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1778831359 advisory. - Use-after-free UAF was possible in the lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile when a memory allocation fails with a...

CentOS Linux 7 [TuxCare] Security Update: python / python-debug / python-devel / python-libs / python-test / etc (CENTOS7:CLSA-2023:1697816511)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2023:1697816511 advisory. - A use-after-free exists in Python through 3.9 via heappushpop in heapq. CVE-2022-48560 Note that Nessus has not tested for this issue but has...

Linux Distros Unpatched Vulnerability : CVE-2026-19553

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ssl.SSLContext.wrapbio didn't require the serverhostname argument to not be None if ssl.SSLContext.checkhostname was set. Due to a missing parameter check in...

CentOS Linux 8 [TuxCare] Security Update: platform-python / platform-python-debug / platform-python-devel / etc Multiple Vulnerabilities (CENTOS-STREAM8:CLSA-2026:1789995979)

The CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS-STREAM8:CLSA-2026:1789995979 advisory. - When decompressing crafted zip files using the bzip/LZMA/Zstandard compressions, Python could use an attacker-controlled size t...

CentOS Linux 8.5 [TuxCare] Security Update: platform-python / platform-python-debug / platform-python-devel / etc (CENTOS8.5:CLSA-2026:1777569671)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1777569671 advisory. - Use-after-free UAF was possible in the lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile when a memory allocation fails with a...

CentOS Linux 8 [TuxCare] Security Update: platform-python / platform-python-debug / platform-python-devel / etc Multiple Vulnerabilities (CENTOS-STREAM8:CLSA-2026:1778142589)

The CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS-STREAM8:CLSA-2026:1778142589 advisory. - The webbrowser.open API would accept leading dashes in the URL which could be handled as command line options for certain web...