No exploitation reportedFix available

CVE-2017-9050

No exploitation reported by the sources we read.

Published2017-05-18
WeaknessCWE-122 · CWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictAddString function in dict.c. This vulnerability causes programs that use libxml2, such as PHP, to crash. This vulnerability exists because of an incomplete fix for CVE-2016-1839.

Timeline

dates in UTC

2017-05-1806:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-9050?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-9050?format=csv
TAXII collection of exploited CVEs
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Versions per branch

NVD

Xmlsoft libxml2

Branch	Affected	Fixed in	Source
2.9	= 2.9.4	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

www.openwall.comPatch

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-12-17
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.17.52025-12-17
NVDCVSS 3.07.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
CISA-ADPweakness (CWE)CWE-1222025-12-17
NVDweakness (CWE)CWE-125read 2026-10-23
FIRST EPSSEPSS score4.6 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2017-05-18
Last Modified: 2026-10-14
NVD status: Modified

Frequently asked questions

What is CVE-2017-9050?

Is CVE-2017-9050 actively exploited?

Active exploitation of CVE-2017-9050 has not been confirmed. Its EPSS score was 4.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-9050?

CVE-2017-9050 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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