In the xmlSnprintfElementContent function of valid.c, there is a possible out of bounds write.

published 2024-11-19 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2018-21060

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits: 0; none known

In the xmlSnprintfElementContent function of valid.c, there is a possible out of bounds write. This could lead to remote escalation of privilege in an unprivileged app with no additional execution privileges needed. User interaction is needed for exploitation.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 23 mo ago (2024-11-20)

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Google Android

Classification

Weakness

CWE-787 Out-of-bounds Write

References

source.android.com /security/bulletin/2018-09-01
vendor-advisory
security.netapp.com /advisory/ntap-20241108-0002/

Sources

CVE List CVE-2018-9466
NVD CVE-2018-9466

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Summary