CVE-2026-22184

Katalog CVE

CVSS 7.8 · High EPSS 0,41%

Kerentanan Out-of-bounds Write pada zlib. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

zlib versions up to and including 1.3.1.2 include a global buffer overflow in the untgz utility located under contrib/untgz. The vulnerability is limited to the standalone demonstration utility and does not affect the core zlib compression library. The flaw occurs when a user executes the untgz command with an excessively long archive name supplied via the command line, leading to an out-of-bounds write in a fixed-size global buffer.

Rincian

Terbit di NVD

7 Januari 2026

Terakhir diubah

1 September 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write
CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

EPSS (30 hari)

0,41% peluang dieksploitasi; lebih tinggi dari 33,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://seclists.org/fulldisclosure/2026/Jan/3 mailing list · advisory pihak ketiga
• https://www.vulncheck.com/advisories/zlib-untgz-global-buffer-overflow-in-tgzfname advisory pihak ketiga
• https://github.com/madler/zlib product
• https://zlib.net/ product
• https://github.com/madler/zlib/issues/1142 issue tracking
• https://access.redhat.com/security/cve/CVE-2026-22184
• https://bugzilla.redhat.com/show_bug.cgi?id=2427688
• https://cert-portal.siemens.com/productcert/html/ssa-470355.html
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-22184.json