CVE-2014-9911 [Critical] | Memory Corruption in International Components …

Stack-based buffer overflow in the ures_getByKeyWithFallback function in common/uresbund.cpp in International Components for Unicode (ICU) before 54.1 for C/C++ allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted uloc_getDisplayName call.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-01-10	1.86%	1.80%	-0.05%
2	2025-04-30	3.02%	1.86%	-1.17%
3	2025-03-30	—	3.02%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-01-10

1.86%

1.80%

-0.05%

2025-04-30

3.02%

1.86%

-1.17%

2025-03-30

—

3.02%

—

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-2014-9911

vendor	priority	summary	link
`debian`	not yet assigned	CVE-2014-9911 not yet assigned priority: Debian including 1 source packages (icu), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2014-9911
`redhat`	medium	—	https://access.redhat.com/security/cve/CVE-2014-9911
`suse`	medium	CVE-2014-9911 severity moderate: SUSE including 16 source package names (icu, icu-4.0-47.3.2, …), 46 product×package rows across 13 product lines (SUSE Linux Enterprise Desktop 12 SP1, SUSE Linux Enterprise Server 11 SP1-TERADATA, … (13 product lines)): Known Not Affected 28, Fixed 18.	https://www.suse.com/security/cve/CVE-2014-9911/
`ubuntu`	medium	CVE-2014-9911 medium priority: Ubuntu including 8 source packages (android, chromium-browser, …), 160 status rows across 20 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, precise, trusty, upstream, xenial, yakkety, zesty): not-affected 88, DNE 54, ignored 12, needs-triage 3, released 3.	https://ubuntu.com/security/CVE-2014-9911

Affected software / configurations for CVE-2014-9911

Vendor	Product	Version	Raw CPE
icu-project	international_components_for_unicode	< 54.1	cpe:2.3:a:icu-project:international_components_for_unicode::::::c\/c\+\+::*

References for CVE-2014-9911

URL	Tags
http://bugs.icu-project.org/trac/changeset/35699	Patch Vendor Advisory
http://bugs.icu-project.org/trac/ticket/1089	Not Applicable
http://www.openwall.com/lists/oss-security/2016/11/25/1	Mailing List Third Party Advisory
http://www.securityfocus.com/bid/94520	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037556	Third Party Advisory VDB Entry
https://bugs.php.net/bug.php?id=67397	Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1383569	Issue Tracking Patch Third Party Advisory VDB Entry
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

URL

CVE-2014-9911

Exploit prediction scoring system (EPSS) score for CVE-2014-9911

Common vulnerability scoring system (CVSS) metrics for CVE-2014-9911

Weakness enumeration for CVE-2014-9911

OS Trackers for CVE-2014-9911

Affected software / configurations for CVE-2014-9911

References for CVE-2014-9911