Affected: AlmaLinux:10: expat, AlmaLinux:10: expat-devel

Expat is a C library for parsing XML documents.

Security Fix(es):

* expat: libexpat in Expat allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing (CVE-2025-59375)

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.

Affected: Alpaquita:23: expat, Alpaquita:25: expat, Alpaquita:stream: expat, BellSoft Hardened Containers:23: expat, BellSoft Hardened Containers:25: expat, BellSoft Hardened Containers:stream: expat

Withdrawn by the publisher.

Affected: CleanStart: python3

Multiple security vulnerabilities affect the python3 package. These issues are resolved in later releases. See references for individual vulnerability details.

libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.

libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.

sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplemental groups are not initialized as expected. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with group memberships of the sshd process, if the configuration specifies running the command as a different user. A flaw was found in glibc. When the getaddrinfo function is called with the AF_UNSPEC address family and the system is configured with no-aaaa mode via /etc/resolv.conf, a DNS response via TCP larger than 2048 bytes can potentially disclose stack contents through the function returned address data, and may cause a crash. A flaw was found in glibc. In an extremely rare situation, the getaddrinfo function may access memory that has been freed, resulting in an application crash. This issue is only exploitable when a NSS module implements only the _nss_*_gethostbyname2_r and _nss_*_getcanonname_r hooks without implementing the _nss_*_gethostbyname3_r hook. The resolved name should return a large number of IPv6 and IPv4, and the call to the getaddrinfo function should have the AF_INET6 address family with AI_CANONNAME, AI_ALL and AI_V4MAPPED as flags. A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment var…

Affected: openEuler:20.03-LTS-SP4: expat

expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fix(es):

libexpat in Expat before version 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document submitted for parsing, leading to resource exhaustion.(CVE-2025-59375)

expat-2.7.2-1.1 on GA media

libexpat: expat: Improper Restriction of XML Entity Expansion Depth in libexpat firefox: thunderbird: expat: libexpat in Expat allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing

Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version V3.1.5 for the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP (incl. SIPLUS variant).

Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.

Note: This SSA advises vulnerabilities for firmware version V3.1.5 only; for version V3.1.6 refer to SSA-019113.

Security update for expat

Affected: Ubuntu:Pro:14.04:LTS: coin3, Ubuntu:Pro:14.04:LTS: expat, Ubuntu:Pro:14.04:LTS: vnc4, Ubuntu:Pro:14.04:LTS: vtk, Ubuntu:Pro:14.04:LTS: xmlrpc-c, Ubuntu:Pro:16.04:LTS: expat, Ubuntu:Pro:16.04:LTS: ayttm, Ubuntu:Pro:16.04:LTS: cableswig, Ubuntu:16.04:LTS: cadaver, Ubuntu:Pro:16.04:LTS: coin3 and 63 more

libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in expat ausnutzen, um einen Denial of Service Angriff durchzuführen.