CVE-2022-25315
In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.
- Auf 2.1.0-7ubuntu0.16.04.5+esm5 aktualisieren
PatchFirst · Aktuelle Sicherheitslücken
In den letzten 30 Tagen veröffentlichte Sicherheitslücken für expat: 5. Davon im KEV-Katalog: 0.
Sicherheitslücken: 54
In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.
In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.
xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.
xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs.
Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function.
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).
Gleichen Sie Ihren installierten Stack und seine Versionen mit den aktuellen Sicherheitsmeldungen ab.