CVE-2010-0044

PubSub in Apple Safari before 4.0.5 does not properly implement use of the Accept Cookies preference to block cookies, which makes it easier for remote web servers to track users by setting a cookie in a (1) RSS or (2) Atom feed.

Published: 2010-03-15 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2010-0044 is rated Low Risk (38.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.46%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2010-0044

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 2025-03-30 0.69% 0.46% -0.22%
2 2025-03-29 0.46% 0.69% +0.22%
3 2025-03-17 0.46%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-0044

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/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:M)
Exploitation needs some favorable conditions, but not exceptional ones.
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.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2010-0044

OS Trackers for CVE-2010-0044

vendor priority summary link
ubuntu low CVE-2010-0044 low priority: Ubuntu including 2 source packages (libipc-pubsub-perl, libpoe-component-pubsub-perl), 76 status rows across 38 suites (artful, bionic, cosmic, dapper, disco, eoan, focal, groovy, hardy, hirsute, impish, intrepid, jammy, jaunty, karmic, kinetic, lucid, lunar, mantic, maverick, natty, noble, oneiric, oracular, plucky, precise, quantal, questing, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, z... https://ubuntu.com/security/CVE-2010-0044

NVD evaluator notes for CVE-2010-0044

Comment: Per: http://lists.apple.com/archives/security-announce/2010/Mar/msg00000.html 'PubSub CVE-ID: CVE-2010-0044 Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.1 or later, Mac OS X Server v10.6.1 or later, Windows 7, Vista, XP Impact: Visiting or updating a feed may result in a cookie being set, even if Safari is configured to block cookies Description: An implementation issue exists in the handling of cookies set by RSS and Atom feeds. Visiting or updating a feed may result in a cookie being set, even if Safari is configured to block cookies via the "Accept Cookies" preference. This update addresses the issue by respecting the preference while updating or viewing feeds.'

Solution: Per: http://lists.apple.com/archives/security-announce/2010/Mar/msg00000.html 'Safari 4.0.5 is available via the Apple Software Update application, or Apple's Safari download site at: http://www.apple.com/safari/download/'

Affected software / configurations for CVE-2010-0044

Vendor Product Version Raw CPE
apple safari <= 4.0.4 cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
apple safari 4.0 cpe:2.3:a:apple:safari:4.0:*:*:*:*:*:*:*
apple safari 4.0.0b cpe:2.3:a:apple:safari:4.0.0b:*:*:*:*:*:*:*
apple safari 4.0.1 cpe:2.3:a:apple:safari:4.0.1:*:*:*:*:*:*:*
apple safari 4.0.2 cpe:2.3:a:apple:safari:4.0.2:*:*:*:*:*:*:*
apple safari 4.0.3 cpe:2.3:a:apple:safari:4.0.3:*:*:*:*:*:*:*

References for CVE-2010-0044

cvelogic Threat Intelligence