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CVE-2021-45960
Published: Jan 1, 2022
Modified: May 5, 2025
PUBLISHED
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).
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
References
https://github.com/libexpat/libexpat/issues/531
x_refsource_MISC
https://github.com/libexpat/libexpat/pull/534
x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1217609
x_refsource_MISC
[oss-security] 20220117 Expat 2.4.3 released, includes 8 security fixes
mailing-list
x_refsource_MLIST
https://security.netapp.com/advisory/ntap-20220121-0004/
x_refsource_CONFIRM
https://www.tenable.com/security/tns-2022-05
x_refsource_CONFIRM
DSA-5073
vendor-advisory
x_refsource_DEBIAN
https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
x_refsource_CONFIRM
GLSA-202209-24
vendor-advisory
x_refsource_GENTOO
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