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CVE-2015-7995

16
FAUCET Score

CVE-2015-7995 is a denial-of-service vulnerability in libxslt versions 1.1.28 and earlier, affecting various Apple and XMLSoft products including iOS, macOS, tvOS, and watchOS. The flaw, stemming from a type confusion in the xsltStylePreCompute function, allows an unauthenticated attacker to crash an application by providing a specially crafted XML file. Rated with a CVSS score of 5.0 (medium severity), this vulnerability has a low attack complexity and only impacts availability. There is no evidence of active exploitation, no public exploit code available, and it has received minimal community discussion or media coverage beyond a single SecurityWeek article.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.2CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
<= 10.11.2CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
<= 9.1CPE matchmatch criteria
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
<= 2.1CPE matchmatch criteria
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
<= 1.1.28CPE matchmatch criteria
cpe:2.3:a:xmlsoft:libxslt:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.16%
Probability of exploitation in next 30 days
EPSS Percentile
89.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0416 is in the 86th percentile among its peer group of 23,705 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

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

Remediation

Vendor Patches (8)

applevendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: libxslt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libxslt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libxslt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 6 (Juno)Fixed in: libxslt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)Fixed in: libxslt
redhatend of lifevia redhat_api
Product: Red Hat Gluster Storage 3.1Fixed in: libxslt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libxslt

Vendor Advisories (1)

redhatCVE-2015-7995Moderate

libxslt: Type confusion may cause DoS

Aug 26, 2015

References

lists.apple.com / archives/security-announce/2016/Jan/msg00002.html
Vendor Advisory
lists.apple.com / archives/security-announce/2016/Jan/msg00003.html
Vendor Advisory
lists.apple.com / archives/security-announce/2016/Jan/msg00005.html
Vendor Advisory
lists.apple.com / archives/security-announce/2016/Mar/msg00001.html
lists.opensuse.org / opensuse-updates/2016-05/msg00123.html
bugzilla.redhat.com / show_bug.cgi
Exploit
git.gnome.org / browse/libxslt/commit
h20566.www2.hpe.com / portal/site/hpsc/public/kb/docDisplay
h20566.www2.hpe.com / portal/site/hpsc/public/kb/docDisplay
puppet.com / security/cve/cve-2015-7995
support.apple.com / HT205729
support.apple.com / HT205731
support.apple.com / HT205732
support.apple.com / HT206168
Vendor Advisory
debian.org / security/2016/dsa-3605
openwall.com / lists/oss-security/2015/10/27/10
openwall.com / lists/oss-security/2015/10/28/4
oracle.com / technetwork/topics/security/bulletinjan2016-2867206.html
securityfocus.com / bid/77325
securitytracker.com / id/1034736
securitytracker.com / id/1038623
slackware.com / security/viewer.php