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CVE für Linux-Server, Android, Apple-Telefone, Windows, Browser, Krypto-Wallets und übrige Software. Ein Klick auf den Titel öffnet das Original beim Herausgeber.

12347Artikel
1696Kritisch
6400Hoch
1781Aktiv ausgenutzt
Hoch 8.2Linux-Server

expat: expat: Denial of Service via integer overflow during XML attribute parsing

CVE-2026-118370expat28. Okt 2026

libexpat through 2.9.0 contains a signed integer overflow vulnerability in storeAtts() in lib/xmlparse.c that allows attackers to trigger out-of-bounds writes via oversized attribute counts. Attackers can supply a multi-gigabyte document with a start tag carrying over 2^30 attributes to overflow attIndex and nPrefixes, crashing applications or corrupting heap memory.

Hoch 8.2Linux-Server

expat: expat: Denial of Service via NULL pointer dereference in external entity parsing

CVE-2026-117610expat28. Okt 2026

libexpat through 2.9.0 contains a NULL pointer dereference vulnerability in externalEntityInitProcessor2() in lib/xmlparse.c that mishandles the XML_TOK_NONE token from empty input. Attackers who control stream chunking can force an empty non-final first parse on an external entity subparser, causing a later parse to crash the application.