pcre2: PCRE2: Out-of-bounds write via large pattern input

A flaw was found in PCRE2. On 32-bit platforms, an attacker can provide a specially crafted large pattern, leading to an out-of-bounds write within the pcre2patternconvert function. This vulnerability can result in high integrity impact, such as data corruption, and potentially a low availability...

pcre2: PCRE2: Out-of-bounds write via large pattern input

A flaw was found in PCRE2. On 32-bit platforms, an attacker can provide a specially crafted large pattern, leading to an out-of-bounds write within the pcre2patternconvert function. This vulnerability can result in high integrity impact, such as data corruption, and potentially a low availability...

CLEANSTART-2026-CD57070 Parsing a WEBP image with an invalid, large size panics on 32-bit platforms

CVE-2026-33813 affects multiple packages. Parsing a WEBP image with an invalid, large size panics on 32-bit platforms. See references for individual vulnerability details...

CentOS 9 : pcre2-10.40-7.el9

The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the pcre2-10.40-7.el9 build changelog. - In PCRE2 before 10.48, pcre2jitmatch mishandles a previously copied subject being passed in as a context. An incorrect free operation can...

CentOS Linux 6 [TuxCare] Security Update: libssh2 / libssh2-devel / libssh2-docs (CENTOS6:CLSA-2026:1784282780)

The CentOS Linux 6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2026:1784282780 advisory. - libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses it in the allocation...

CentOS Linux 7 [TuxCare] Security Update: expat / expat-devel / expat-static Multiple Vulnerabilities (CENTOS7:CLSA-2024:1726608591)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2024:1726608591 advisory. - An issue was discovered in libexpat before 2.6.3. xmlparse.c does not reject a negative length for XMLParseBuffer. CVE-2024-45490 - An...

AlmaLinux 9.2 [TuxCare] Security Update: gmp / gmp-c++ / gmp-devel / gmp-static (ALMALINUX9.2:CLSA-2025:1745271805)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1745271805 advisory. - GNU Multiple Precision Arithmetic Library GMP through 6.2.1 has an mpz/inpraw.c integer overflow and resultant buffer overflow via crafted...

CentOS Linux 7 [TuxCare] Security Update: libssh2 / libssh2-devel / libssh2-docs (CENTOS7:CLSA-2026:1783634800)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1783634800 advisory. - libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses it in the allocation...

AlmaLinux 9.2 [TuxCare] Security Update: pcre2 / pcre2-devel / pcre2-static / pcre2-syntax / pcre2-tools / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1789567071)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1789567071 advisory. - PCRE2 before 10.48 has a pcre2match out-of-bounds read after a JIT fallback when an attacker can provide invalid UTF data...

CentOS Linux 7 [TuxCare] Security Update: grub2 / grub2-common / grub2-efi-ia32 / grub2-efi-ia32-cdboot / etc (CENTOS7:CLSA-2025:1758891628)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2025:1758891628 advisory. - Integer overflow in the LZO algorithm variant in Oberhumer liblzo2 and lzo-2 before 2.07 on 32-bit platforms might allow remote attackers to...

CentOS Linux 7 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl / etc (CENTOS7:CLSA-2026:1789474979)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1789474979 advisory. - Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms...

Rocky Linux 9.6 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl (ALMALINUX9.6:CLSA-2026:1786493710)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1786493710 advisory. - Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit...

AlmaLinux 9.6 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl (ALMALINUX9.6:CLSA-2026:1786493710)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1786493710 advisory. - Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit...

CentOS Linux 7 [TuxCare] Security Update: pcre2 / pcre2-devel / pcre2-static / pcre2-tools / pcre2-utf16 / etc (CENTOS7:CLSA-2026:1789483647)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1789483647 advisory. - PCRE2 before 10.48, on 32-bit platforms, has a pcre2compile32 integer overflow and resultant out-of- bounds write. CVE-2026-89158 Note that...

DEBIAN-CVE-2026-102633

libexpat versions 2.7.2 through 2.8.5 contain an integer overflow vulnerability in expatrealloc function on 32-bit platforms when computing allocation sizes. Attackers supplying malicious XML to applications parsing with vulnerable libexpat can cause heap buffer overflow, memory corruption, or...

AZL-105048 CVE-2026-102633 affecting package expat 2.8.3-2

libexpat versions 2.7.2 through 2.8.5 contain an integer overflow vulnerability in expatrealloc function on 32-bit platforms when computing allocation sizes. Attackers supplying malicious XML to applications parsing with vulnerable libexpat can cause heap buffer overflow, memory corruption, or...

CVE-2026-102633

libexpat versions 2.7.2 through 2.8.5 contain an integer overflow vulnerability in expatrealloc function on 32-bit platforms when computing allocation sizes. Attackers supplying malicious XML to applications parsing with vulnerable libexpat can cause heap buffer overflow, memory corruption, or...

UBUNTU-CVE-2026-102633

libexpat versions 2.7.2 through 2.8.5 contain an integer overflow vulnerability in expatrealloc function on 32-bit platforms when computing allocation sizes. Attackers supplying malicious XML to applications parsing with vulnerable libexpat can cause heap buffer overflow, memory corruption, or...

CVE-2026-102633 libexpat 2.7.2 through 2.8.5 Integer Overflow in expat_realloc

libexpat versions 2.7.2 through 2.8.5 contain an integer overflow vulnerability in expatrealloc function on 32-bit platforms when computing allocation sizes. Attackers supplying malicious XML to applications parsing with vulnerable libexpat can cause heap buffer overflow, memory corruption, or...

CVE-2026-102633

The libexpat library (versions 2.7.2 through 2.8.5 ) contains an integer overflow vulnerability within the expat_realloc() function on 32-bit platforms . This flaw occurs during the computation of allocation sizes. An attacker providing malicious XML to an application using a vulnerable version c...