CVE-2022-23852

CVSS 9.8 CRITICALEPSS 4.7%CWE-190

Vexday Risk Score

48Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 9.8EPSS 4.7%KEV nãoPoC públicaNuclei —Metasploit —Patch referenciado

Lifecycle

24 Jan 2022Published on NVD

10 May 2022Public PoC

Recommendation: Plan a near-term fix — a public PoC already exists.

Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

public PoCs found — 1

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References