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CVE-2010-2950

24
FAUCET Score

CVE-2010-2950 is a format string vulnerability in the phar extension of PHP versions 5.3.x through 5.3.3. This flaw allows attackers to obtain sensitive memory contents and potentially execute arbitrary code by crafting a malicious phar:// URI. With a CVSS score of 6.8, it is considered a medium-severity vulnerability, requiring medium attack complexity and potentially leading to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.3.0CPE matchmatch criteria
cpe:2.3:a:php:php:5.3.0:*:*:*:*:*:*:*
5.3.1CPE matchmatch criteria
cpe:2.3:a:php:php:5.3.1:*:*:*:*:*:*:*
5.3.2CPE matchmatch criteria
cpe:2.3:a:php:php:5.3.2:*:*:*:*:*:*:*
5.3.3CPE matchmatch criteria
cpe:2.3:a:php:php:5.3.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.69%
Probability of exploitation in next 30 days
EPSS Percentile
92.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0569 is in the 91st percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: php53-0:5.3.3-13.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: php-0:5.3.3-14.el6_3
View patch

Vendor Advisories (1)

redhatCVE-2010-2950Moderate

php: Format string flaw in phar extension via phar_stream_flush() (MOPS-2010-024)

May 14, 2010

References

lists.apple.com / archives/security-announce/2011/Mar/msg00006.html
lists.opensuse.org / opensuse-security-announce/2010-09/msg00006.html
Exploit
marc.info
php-security.org / 2010/05/14/mops-2010-024-php-phar_stream_flush-format-string-vulnerability/index.html
bugzilla.redhat.com / show_bug.cgi
security-tracker.debian.org / tracker/CVE-2010-2950
support.apple.com / kb/HT4581
svn.php.net / viewvc
mandriva.com / security/advisories
php.net / archive/2010.php
php.net / ChangeLog-5.php
php.net / releases/5_3_4.php