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CVE-2016-4610

33
FAUCET Score

CVE-2016-4610 is a critical memory corruption vulnerability in libxslt, affecting various Apple products including iOS, OS X, iTunes, iCloud, tvOS, and watchOS, as well as distributions like Debian and Fedora. With a CVSS score of 9.8, it is easily exploitable over the network without user interaction, potentially leading to a complete denial of service, and possibly compromising confidentiality and integrity. Despite its high severity, there is no known public exploit code (Metasploit, Nuclei, ExploitDB), nor is it listed in CISA's KEV catalog, suggesting no active exploitation. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.1.29CPE matchmatch criteria
cpe:2.3:a:xmlsoft:libxslt:*:*:*:*:*:*:*:*
< 5.2.1CPE matchmatch criteria
cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:*
< 12.4.2CPE matchmatch criteria
cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*
30CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
5.10%
Probability of exploitation in next 30 days
EPSS Percentile
91.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0510 is in the 86th percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (7)

applevendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Storage 3Fixed in: libxslt
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 10 (Newton)Fixed in: libxslt
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 14 (Rocky)Fixed in: libxslt
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 9 (Mitaka)Fixed in: libxslt
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 13 (Queens)Fixed in: libxslt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libxslt

Vendor Advisories (1)

redhatCVE-2016-4610Moderate

libxslt: Invalid memory access leading to DoS at exsltDynMapFunction()

Jul 21, 2016

References

lists.apple.com / archives/security-announce/2016/Jul/msg00000.html
Mailing ListVendor Advisory
lists.apple.com / archives/security-announce/2016/Jul/msg00001.html
Mailing ListVendor Advisory
lists.apple.com / archives/security-announce/2016/Jul/msg00002.html
Mailing ListVendor Advisory
lists.apple.com / archives/security-announce/2016/Jul/msg00003.html
Mailing ListVendor Advisory
lists.apple.com / archives/security-announce/2016/Jul/msg00005.html
Mailing ListVendor Advisory
lists.debian.org / debian-lts-announce/2019/07/msg00020.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/SK4YNISS22MJY22YX5I6V2U63QZAUEHA
support.apple.com / HT206899
Vendor Advisory
support.apple.com / HT206901
Vendor Advisory
support.apple.com / HT206902
Vendor Advisory
support.apple.com / HT206903
Vendor Advisory
support.apple.com / HT206904
Vendor Advisory
support.apple.com / HT206905
Vendor Advisory
securityfocus.com / bid/91826
Third Party AdvisoryVDB Entry
securitytracker.com / id/1036348
Third Party AdvisoryVDB Entry