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Fencer Intel
high 8.8

CVE-2016-1841 json

libxslt, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to ex…

published 2016-05-20 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-2936

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

libxslt, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.

Patch / fix

  • apple iphone_os 9.3.2
  • apple mac_os_x 10.11.5
  • apple tvos 9.2.1
  • apple watchos 2.2.1
  • libxslt Debian 14, Debian 13, Debian 12 1.1.29-1

debian advisories DEBIAN-CVE-2016-1841

  • libxslt Ubuntu 14.04 LTS 1.1.28-2ubuntu0.1
  • libxslt Ubuntu 16.04 LTS 1.1.28-2.1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2016-1841

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-1841 updated cvss 8.1

libxslt: Use after free in xsltDocumentFunctionLoadDocument

  • Red Hat Enterprise Linux 5 libxslt Red Hat Enterprise Linux 6 libxslt, libxslt-python Red Hat Enterprise Linux 7 libxslt, libxslt-python Red Hat Enterprise Linux OpenStack Platform 6 (Juno) libxslt Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) libxslt-python Red Hat Enterprise MRG 2 libxslt
    +4 more products
    Red Hat OpenStack Platform 8 (Liberty) libxslt-python Red Hat OpenStack Platform 9 (Mitaka) libxslt-python Red Hat OpenStack Platform 10 (Newton) libxslt-python Red Hat Storage 3 libxslt, libxslt-python
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.36% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.