GHSA-533f-rf84-jgccHighCVSS 5.9
libexpat versions 2.7.2 through 2.8.5 contain an integer overflow vulnerability in expat_realloc(...
🔗 CVE IDs covered (1)
📋 Description
libexpat versions 2.7.2 through 2.8.5 contain an integer overflow vulnerability in expat_realloc() function on 32-bit platforms when computing allocation sizes. Attackers supplying malicious XML to applications parsing with vulnerable libexpat can cause heap buffer overflow, memory corruption, or denial of service.
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2026-102633
- https://github.com/libexpat/libexpat/pull/1392
- https://github.com/libexpat/libexpat/commit/209801d7fbaf07ab74bae8cb32dd2ab9e5846118
- https://github.com/libexpat/libexpat
- https://github.com/libexpat/libexpat/blob/R_2_8_5/expat/lib/xmlparse.c#L1003
- https://www.vulncheck.com/advisories/libexpat-2.7.2-through-2.8.5-integer-overflow-in-expat-realloc
- https://github.com/advisories/GHSA-533f-rf84-jgcc