CVE-2015-9019

In libxslt 1.1.29 and earlier, the EXSLT math.random function was not initialized with a random seed during startup, which could cause usage of this function to produce predictable outputs.

Published: 2017-04-05 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-9019 is rated Moderate Risk (51.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.39%). EPSS rose +1.80% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-9019

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.60% 2.39% +1.80%
2 2026-02-11 0.98% 0.60% -0.38%
3 2025-03-30 — 0.98% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-9019

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 1.4 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2015-9019

OS Trackers for CVE-2015-9019

vendor priority summary link
alpine medium CVE-2015-9019: 1 source package rows (libxslt); 5 state rows across 5 repos (3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 0, open 5. https://security.alpinelinux.org/vuln/CVE-2015-9019
debian unimportant CVE-2015-9019 unimportant priority: Debian including 1 source packages (libxslt), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 5. https://security-tracker.debian.org/tracker/CVE-2015-9019
redhat low — https://access.redhat.com/security/cve/CVE-2015-9019
suse low CVE-2015-9019 severity low: SUSE including 282 source package names (4.0.0:libxslt1-1.1.28-16.1, amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, …), 409 product×package rows across 81 product lines (Container caasp/v4/nginx-ingress-controller, Container caasp/v4/velum, … (81 product lines)): Known Affected 231, Fixed 140, Known Not Affected 38. https://www.suse.com/security/cve/CVE-2015-9019/
ubuntu low CVE-2015-9019 low priority: Ubuntu including 1 source packages (libxslt), 17 status rows across 17 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, precise, trusty, upstream, xenial, yakkety, zesty): ignored 16, needed 1. https://ubuntu.com/security/CVE-2015-9019

Affected software / configurations for CVE-2015-9019

Vendor Product Version Raw CPE
xmlsoft libxslt <= 1.1.29 cpe:2.3:a:xmlsoft:libxslt:*:*:*:*:*:*:*:*

References for CVE-2015-9019

URL Tags
https://bugzilla.gnome.org/show_bug.cgi?id=758400 Issue Tracking Patch Third Party Advisory VDB Entry
https://bugzilla.suse.com/show_bug.cgi?id=934119 Issue Tracking Patch Third Party Advisory VDB Entry
cvelogic Threat Intelligence