CVE-2015-9262 [Critical] | Memory Corruption in Debian Linux

CVE-2015-9262 is rated High Risk (69.3/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.05%). High exploitation likelihood—assess exposure and prioritize remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-02-15	3.21%	3.05%	-0.16%
2	2025-12-28	3.64%	3.21%	-0.43%
3	2025-12-27	—	3.64%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-02-15

3.21%

3.05%

-0.16%

2025-12-28

3.64%

3.21%

-0.43%

2025-12-27

—

3.64%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
9.8	3.0	CRITICAL	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H` 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:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	3.9	5.9	[email protected]
7.5	2.0	HIGH	`AV:N/AC:L/Au:N/C:P/I:P/A:P` 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:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	10.0	6.4	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

9.8

3.0

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 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:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

3.9

5.9

[email protected]

7.5

2.0

HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P 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:P): Partial integrity impact.
Availability impact (A:P): Partial availability impact.

10.0

6.4

[email protected]

OS Trackers for CVE-2015-9262

vendor	priority	summary	link
`debian`	low	CVE-2015-9262 low priority: Debian including 1 source packages (libxcursor), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2015-9262
`redhat`	low	—	https://access.redhat.com/security/cve/CVE-2015-9262
`suse`	medium	CVE-2015-9262 severity moderate: SUSE including 123 source package names (drm-utils-2.4.91-3.el7, egl-utils-8.3.0-10.el7, …), 275 product×package rows across 33 product lines (Image SLES12-SP5-Azure-SAP-BYOS, Image SLES12-SP5-Azure-SAP-On-Demand, … (33 product lines)): Fixed 260, Known Not Affected 15.	https://www.suse.com/security/cve/CVE-2015-9262/
`ubuntu`	medium	CVE-2015-9262 medium priority: Ubuntu including 1 source packages (libxcursor), 4 status rows across 4 suites (bionic, trusty, upstream, xenial): released 3, not-affected 1.	https://ubuntu.com/security/CVE-2015-9262

Affected software / configurations for CVE-2015-9262

Vendor	Product	Version	Raw CPE
debian	debian_linux	8.0	cpe:2.3:o:debian:debian_linux:8.0:::::::*
canonical	ubuntu_linux	14.04	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
canonical	ubuntu_linux	16.04	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
x	libxcursor	< 1.1.15	cpe:2.3:a:x:libxcursor::::::::
redhat	ansible_tower	3.3	cpe:2.3:a:redhat:ansible_tower:3.3:::::::*
redhat	enterprise_linux_desktop	7.0	cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
redhat	enterprise_linux_server	7.0	cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
redhat	enterprise_linux_workstation	7.0	cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*

References for CVE-2015-9262

URL	Tags
https://access.redhat.com/errata/RHSA-2018:3059	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3505	Third Party Advisory
https://bugs.freedesktop.org/show_bug.cgi?id=90857	Patch Third Party Advisory
https://cgit.freedesktop.org/xorg/lib/libXcursor/commit/?id=897213f36baf6926daf6d192c709cf627aa5fd05	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00016.html	Mailing List Third Party Advisory
https://usn.ubuntu.com/3729-1/	Third Party Advisory

URL

CVE-2015-9262

Exploit prediction scoring system (EPSS) score for CVE-2015-9262

Common vulnerability scoring system (CVSS) metrics for CVE-2015-9262

Weakness enumeration for CVE-2015-9262

OS Trackers for CVE-2015-9262

Affected software / configurations for CVE-2015-9262

References for CVE-2015-9262