CVE-2026-102633 — libexpat 2.7.2 through 2.8.5 Integer Overflow in expat_realloc
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 supply…
Published: 2026-09-29 · CVSS: 8.2 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7