CVE-2026-103000 pypdf: Possible large memory usage when retrieving alphabetical page labels

pypdf is a free and open-source pure-python PDF library. Prior to 6.19.0, a crafted PDF can provide unusually large alphabetical page-label values that cause pypdf/pagelabels.py to generate strings beyond a reasonable page-label length when an application retrieves document page labels, consuming...

CVE-2026-102996 pypdf: Possible large memory usage when parsing font data

pypdf is a free and open-source pure-python PDF library. Prior to 6.18.1, a crafted PDF can provide a TrueType or Type1 simple font with an unusually large /Widths array, causing pypdf/font.py Font.collectttt1characterwidths to process entries beyond the 256 character codes meaningful for a simpl...

CVE-2026-102996 pypdf: Possible large memory usage when parsing font data

pypdf is a free and open-source pure-python PDF library. Prior to 6.18.1, a crafted PDF can provide a TrueType or Type1 simple font with an unusually large /Widths array, causing pypdf/font.py Font.collectttt1characterwidths to process entries beyond the 256 character codes meaningful for a simpl...

CVE-2026-102996 pypdf: Possible large memory usage when parsing font data

pypdf is a free and open-source pure-python PDF library. Prior to 6.18.1, a crafted PDF can provide a TrueType or Type1 simple font with an unusually large /Widths array, causing pypdf/font.py Font.collectttt1characterwidths to process entries beyond the 256 character codes meaningful for a simpl...

CVE-2026-102995 pypdf: Possible large memory usage for large /ToUnicode streams (Follow-up 2)

pypdf is a free and open-source pure-python PDF library. Prior to 6.18.1, a crafted PDF can place unusually large source-code or destination-string tokens in a font /ToUnicode mapping, causing pypdf/cmap.py parsebfchar to decode and retain oversized values during operations such as text extractio...

CVE-2026-102995 pypdf: Possible large memory usage for large /ToUnicode streams (Follow-up 2)

pypdf is a free and open-source pure-python PDF library. Prior to 6.18.1, a crafted PDF can place unusually large source-code or destination-string tokens in a font /ToUnicode mapping, causing pypdf/cmap.py parsebfchar to decode and retain oversized values during operations such as text extractio...

CVE-2026-102995 pypdf: Possible large memory usage for large /ToUnicode streams (Follow-up 2)

pypdf is a free and open-source pure-python PDF library. Prior to 6.18.1, a crafted PDF can place unusually large source-code or destination-string tokens in a font /ToUnicode mapping, causing pypdf/cmap.py parsebfchar to decode and retain oversized values during operations such as text extractio...

CVE-2026-102994

The pypdf pure-python PDF library is vulnerable to long runtimes and large memory usage in versions prior to 6.18.0 . A crafted PDF containing indirect-object identifiers or generation-number tokens without whitespace can cause the pypdf/_reader.py and pypdf/generic/_base.py components to scan ex...

CVE-2026-102994 pypdf: Possible long runtimes/large memory usage when parsing indirect objects

pypdf is a free and open-source pure-python PDF library. Prior to 6.18.0, a crafted PDF containing indirect-object identifiers or generation-number tokens that continue for a long time without whitespace can cause pypdf/reader.py and pypdf/generic/base.py to scan excessive input through...

CVE-2026-102993 pypdf: Possible large memory usage when retrieving Roman page labels

pypdf is a free and open-source pure-python PDF library. Prior to 6.17.0, a crafted PDF can provide unusually large Roman page-label values that cause pypdf/pagelabels.py to generate excessively large numeral strings when an application retrieves document page labels, consuming large amounts of...

CVE-2026-102993 pypdf: Possible large memory usage when retrieving Roman page labels

pypdf is a free and open-source pure-python PDF library. Prior to 6.17.0, a crafted PDF can provide unusually large Roman page-label values that cause pypdf/pagelabels.py to generate excessively large numeral strings when an application retrieves document page labels, consuming large amounts of...

CVE-2026-102993

The pypdf pure-python PDF library is vulnerable to excessive memory consumption in versions prior to 6.17.0 . A crafted PDF can provide unusually large Roman page-label values, causing pypdf/_page_labels.py to generate excessively large numeral strings. This occurs when an application retrieves d...

CentOS Linux 8.5 [TuxCare] Security Update: dovecot / dovecot-devel / dovecot-mysql / dovecot-pgsql / etc (CENTOS8.5:CLSA-2026:1779360036)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1779360036 advisory. - An attacker can cause uncontrolled memory usage with excessive bracing over IMAP. The fix in CVE-2026-27857 was incomplete, only blocking o...

AlmaLinux 9.6 [TuxCare] Security Update: git-lfs Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1789464832)

The AlmaLinux 9.6 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1789464832 advisory. - Enforce a recursion limit in Unmarshal to prevent stack exhaustion when parsing deeply-nested, recursive structures. CVE-2026-3381...

AlmaLinux 9.2 [TuxCare] Security Update: bind / bind-chroot / bind-devel / bind-dnssec-doc / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1787734642)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1787734642 advisory. - BIND may accept incorrect child-zone NSEC3 records as valid, which could allow an attacker to forge authenticated NXDOMAIN...

CentOS Linux 8.4 [TuxCare] Security Update: bind / bind-chroot / bind-devel / bind-export-devel / etc (CENTOS8.4:CLSA-2026:1785845701)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1785845701 advisory. - A DNSSEC validating resolver that is under a random subdomain attack against a DNSSEC-signed zone can suffer from runaway memory usage. The...

CentOS Linux 8 [TuxCare] Security Update: dovecot / dovecot-devel / dovecot-mysql / dovecot-pgsql / etc (CENTOS-STREAM8:CLSA-2026:1779360288)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1779360288 advisory. - An attacker can cause uncontrolled memory usage with excessive bracing over IMAP. The fix in CVE-2026-27857 was incomplete, only blocki...

CentOS Linux 6 [TuxCare] Security Update: bind / bind-chroot / bind-devel / bind-libs / bind-sdb / bind-utils Multiple Vulnerabilities (CENTOS6:CLSA-2026:1787754092)

The CentOS Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS6:CLSA-2026:1787754092 advisory. - A DNSSEC validating resolver that is under a random subdomain attack against a DNSSEC-signed zone can suffer from runaway memory usage...

CentOS Linux 8.4 [TuxCare] Security Update: dovecot / dovecot-devel / dovecot-mysql / dovecot-pgsql / etc (CENTOS8.4:CLSA-2026:1777976700)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1777976700 advisory. - Sending NOOP ... command with 4000 parenthesis open+close results in 1MB extra memory usage. Longer commands will result in client...

CentOS Linux 8.5 [TuxCare] Security Update: bind / bind-chroot / bind-devel / bind-export-devel / etc (CENTOS8.5:CLSA-2026:1786033455)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1786033455 advisory. - A DNSSEC validating resolver that is under a random subdomain attack against a DNSSEC-signed zone can suffer from runaway memory usage. The...