cve/2021/CVE-2021-45960.md

CVE-2021-45960

Description

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).

POC

Reference

No PoCs from references.

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/NaInSec/CVE-PoC-in-GitHub
• https://github.com/SYRTI/POC_to_review
• https://github.com/Trinadh465/external_lib_AOSP10_r33_CVE-2021-45960_CVE-2021-46143-
• https://github.com/WhooAmii/POC_to_review
• https://github.com/fokypoky/places-list
• https://github.com/hshivhare67/external_expat_v2.2.6_CVE-2021-45960
• https://github.com/nanopathi/external_expat_AOSP10_r33_CVE-2021-45960
• https://github.com/nomi-sec/PoC-in-GitHub
• https://github.com/trhacknon/Pocingit
• https://github.com/zecool/cve