Out-of-bounds Read in Php

CVE-2019-11039

Function iconv_mime_decode_headers() in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6 may perform out-of-buffer read due to integer overflow when parsing MIME headers. This may lead to information disclosure or…

Vulnerability class: Buffer Overflow

EPSS: 0.031 (86.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-11039?
CVE-2019-11039 is a critical-severity vulnerability in Php, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2019-06-19.
How severe is CVE-2019-11039?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2019-11039 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.