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CVE-2011-1467

30
FAUCET Score

CVE-2011-1467 describes an unspecified vulnerability in the NumberFormatter::setSymbol function within the Intl extension of PHP versions prior to 5.3.6. This flaw allows remote attackers to trigger a denial of service (application crash) by providing an invalid argument. The vulnerability has a CVSS score of 5.0, indicating a medium severity. It is easily exploitable over the network with low attack complexity, but its impact is limited to availability (application crash) with no confidentiality or integrity compromise. While not actively exploited in the wild and not on CISA's KEV catalog, public exploit code exists on ExploitDB. However, there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.3.5CPE matchmatch criteria
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:php:php:1.0:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:php:php:2.0:*:*:*:*:*:*:*
2.0b10CPE matchmatch criteria
cpe:2.3:a:php:php:2.0b10:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:php:php:3.0:*:*:*:*:*:*:*

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
12.72%
Probability of exploitation in next 30 days
EPSS Percentile
95.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-35483 · Mar 10, 2011
This CVE's current EPSS score of 0.1272 is in the 95th percentile among its peer group of 23,705 CVEs.

Social Chatter

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

No media coverage found for this CVE.

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 (2)

redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: php53
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: php

Vendor Advisories (1)

redhatCVE-2011-1467

php: NumberFormatter: set a symbol value crash (DoS) on bogus values

Dec 7, 2010

References

bugs.php.net / bug.php
Patch
lists.apple.com / archives/Security-announce/2011//Oct/msg00003.html
support.apple.com / kb/HT5002
mandriva.com / security/advisories
mandriva.com / security/advisories
php.net / ChangeLog-5.php
securityfocus.com / bid/46968
vupen.com / english/advisories/2011/0744