HIGH
libxml2: Heap use-after-free in xmlSAX2AttributeNs
Published May 20, 2016
8.8
HIGHCVSS 3.0
EPSS 5.58%
Description
Use-after-free vulnerability in the xmlSAX2AttributeNs function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2 and OS X before 10.11.5, allows remote attackers to cause a denial of service via a crafted XML document.
Affected products
No data.
Configuration 1
OR
- 12.04
- 14.04
- 15.10
- 16.04
Configuration 3
- 8.0
No data.
Red Hat Enterprise Linux 6
libxml2-0:2.7.6-21.el6_8.1
Fixed · RHSA-2016:1292
Red Hat Enterprise Linux 7
libxml2-0:2.9.1-6.el7_2.3
Fixed · RHSA-2016:1292
Red Hat JBoss Core Services
n/a
Fixed · RHSA-2016:2957
Red Hat Enterprise Linux 5
libxml2
Will not fix
Red Hat JBoss Enterprise Web Server 3
libxml2
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | libxml2-0:2.7.6-21.el6_8.1 | Fixed | RHSA-2016:1292 |
| Red Hat Enterprise Linux 7 | libxml2-0:2.9.1-6.el7_2.3 | Fixed | RHSA-2016:1292 |
| Red Hat JBoss Core Services | n/a | Fixed | RHSA-2016:2957 |
| Red Hat Enterprise Linux 5 | libxml2 | Will not fix | n/a |
| Red Hat JBoss Enterprise Web Server 3 | libxml2 | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
8.8 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
5.58% 0.05576
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.05576
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (32 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.58% (0.05576) | 92.63th | v5 (v2026.06.15) |
| Sep 22, 2026 | 5.58% (0.05576) | 92.52th | v5 (v2026.06.15) |
| Sep 21, 2026 | 6.92% (0.06919) | 93.88th | v5 (v2026.06.15) |
| Sep 6, 2026 | 5.58% (0.05576) | 92.36th | v5 (v2026.06.15) |
| Sep 5, 2026 | 6.92% (0.06919) | 93.74th | v5 (v2026.06.15) |
| Aug 30, 2026 | 5.58% (0.05576) | 92.32th | v5 (v2026.06.15) |
| Aug 28, 2026 | 6.92% (0.06919) | 93.70th | v5 (v2026.06.15) |
| Aug 24, 2026 | 5.58% (0.05576) | 92.27th | v5 (v2026.06.15) |
| Aug 23, 2026 | 6.92% (0.06919) | 93.67th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.11% (0.05110) | 91.25th | v5 (v2026.06.15) |
| May 12, 2026 | 3.25% (0.03248) | 87.22th | v4 (v2025.03.14) |
| May 11, 2026 | 7.12% (0.07117) | 91.59th | v4 (v2025.03.14) |
| Aug 22, 2025 | 2.36% (0.02360) | 84.29th | v4 (v2025.03.14) |
| Aug 4, 2025 | 4.73% (0.04733) | 89.01th | v4 (v2025.03.14) |
| Aug 1, 2025 | 6.17% (0.06172) | 90.53th | v4 (v2025.03.14) |
| Jul 5, 2025 | 4.73% (0.04733) | 88.92th | v4 (v2025.03.14) |
| Jul 1, 2025 | 6.17% (0.06172) | 90.42th | v4 (v2025.03.14) |
| Jun 19, 2025 | 4.73% (0.04733) | 88.90th | v4 (v2025.03.14) |
| May 25, 2025 | 1.24% (0.01238) | 78.22th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.25% (0.02249) | 83.09th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.89% (0.04890) | 82.24th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.25% (0.02249) | 83.41th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.58% (0.03577) | 91.98th | v3 (v2023.03.01) |
| Jan 6, 2024 | 3.58% (0.03577) | 90.69th | v3 (v2023.03.01) |
| Aug 21, 2023 | 3.31% (0.03305) | 90.08th | v3 (v2023.03.01) |
| Jun 2, 2023 | 2.94% (0.02935) | 89.36th | v3 (v2023.03.01) |
| Apr 23, 2023 | 2.51% (0.02508) | 88.53th | v3 (v2023.03.01) |
| Mar 11, 2023 | 2.36% (0.02358) | 88.09th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.85% (0.01855) | 86.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.41% (0.03407) | 84.65th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.41% (0.03407) | 83.10th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.41% (0.03407) | 66.20th | v2 (v2022.01.01) |
Weaknesses (2)
References (22)
- http://lists.apple.com/archives/security-announce/2016/May/msg00002.html vendor-advisoryx_refsource_APPLEVendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00004.html vendor-advisoryx_refsource_APPLEVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2957.html vendor-advisoryx_refsource_REDHAT
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html x_refsource_CONFIRM
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html x_refsource_CONFIRM
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/90696 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1035890 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2994-1 vendor-advisoryx_refsource_UBUNTU
- http://xmlsoft.org/news.html x_refsource_CONFIRM
- https://access.redhat.com/errata/RHSA-2016:1292 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2016-1835 Vendor Advisory
- https://bugzilla.gnome.org/show_bug.cgi?id=759020 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1338691 Issue Tracking
- https://git.gnome.org/browse/libxml2/commit/?id=38eae571111db3b43ffdeb05487c9f60551906fb x_refsource_CONFIRM
- https://kc.mcafee.com/corporate/index?page=content&id=SB10170 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2016-1835
- https://support.apple.com/HT206567 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/HT206568 x_refsource_CONFIRMVendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2016-1835
- https://www.debian.org/security/2016/dsa-3593 vendor-advisoryx_refsource_DEBIAN
- https://www.tenable.com/security/tns-2016-18 x_refsource_CONFIRM
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner apple
Published May 20, 2016
Updated Aug 5, 2024
Reserved Jan 13, 2016
Link CVE-2016-1835
CISA Vulnrichment
Updated n/a