CVE-2021-45960

Katalog CVE

CVSS 8.8 · High EPSS 4,2%

Kerentanan Incorrect Calculation pada libexpat project libexpat, tenable nessus +6 lainnya. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

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).

Rincian

Terbit di NVD

1 Januari 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

8.8 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-682: Incorrect Calculation

EPSS (30 hari)

4,2% peluang dieksploitasi; lebih tinggi dari 90,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf patch · advisory pihak ketiga
• https://github.com/libexpat/libexpat/issues/531 exploit · issue tracking · patch · advisory pihak ketiga
• https://github.com/libexpat/libexpat/pull/534 patch · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2022/01/17/3 exploit · mailing list · advisory pihak ketiga
• https://bugzilla.mozilla.org/show_bug.cgi?id=1217609 issue tracking · permissions required · advisory pihak ketiga
• https://security.gentoo.org/glsa/202209-24 advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20220121-0004/ advisory pihak ketiga
• https://www.debian.org/security/2022/dsa-5073 issue tracking · advisory pihak ketiga
• https://www.tenable.com/security/tns-2022-05 advisory pihak ketiga