5.9
Medium
CVE-2026-76956 In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy,…
Description
In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in being vulnerable to hash flooding attacks, causing a denial of service via crafted XML content.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| libexpat 2.8 | 2.8.2 → < 2.8.4 | 2.8.4 |
Other CVEs of libexpat
The 26 CVEs of libexpat →
CVE-2026-76957
libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks
4.9
Medium
CVE-2026-66046
Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the…
8.7
High
CVE-2026-72522
libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the…
6.2
Medium
CVE-2026-56412
libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth…
4.9
Medium