Critical 9.8Published Jun 9, 2016

CVE-2016-4448Format string vulnerability in libxml2 before 2.9.4 allows attackers to have unspecified impact via format string specifiers in unknown vectors.

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

Does this affect you?

It affects hp icewall_federation_agent and 18 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stackFree account, 3 products Every CVE for hp icewall_federation_agent Exploited in the last 30 days

Format string vulnerability in libxml2 before 2.9.4 allows attackers to have unspecified impact via format string specifiers in unknown vectors.

CVSS: 9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-134
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

hp icewall_federation_agent hp:icewall_federation_agent	3.0	NVD
apple watchos apple:watchos	through 2.2.1	NVD
apple mac_os_x apple:mac_os_x	before 10.11.6	NVD
xmlsoft libxml2 xmlsoft:libxml2	through 2.9.3	NVD
apple icloud apple:icloud	before 5.2.1	NVD
apple iphone_os apple:iphone_os	through 9.3.2	NVD
redhat enterprise_linux_desktop redhat:enterprise_linux_desktop	6.0; 7.0	NVD
redhat enterprise_linux_server redhat:enterprise_linux_server	6.0; 7.0	NVD
redhat enterprise_linux_server_aus redhat:enterprise_linux_server_aus	7.2; 7.3; 7.4; 7.6; 7.7	NVD
redhat enterprise_linux_server_eus redhat:enterprise_linux_server_eus	7.2; 7.3; 7.4; 7.5; 7.6; 7.7	NVD
1–10 of 19

References

References

http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html	mailing-list, release-notes
http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html	mailing-list, release-notes
http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html	mailing-list, release-notes
http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html	mailing-list, release-notes
http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html	mailing-list, release-notes
http://rhn.redhat.com/errata/RHSA-2016-2957.html	third-party-advisory
http://www.openwall.com/lists/oss-security/2016/05/25/2	mailing-list, third-party-advisory
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html	third-party-advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html	third-party-advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html	vendor-advisory
1–10 of 25

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.