HOMEVULNERABILITIESCVE-2010-4577
HIGH

CVE-2010-4577

CWE-125Published: December 22, 2010· Updated: Jun 16, 2026

7.5
CVSS v3.1

Official Description

The CSSParser::parseFontFaceSrc function in WebCore/css/CSSParser.cpp in WebKit, as used in Google Chrome before 8.0.552.224, Chrome OS before 8.0.552.343, webkitgtk before 1.2.6, and other products does not properly parse Cascading Style Sheets (CSS) token sequences, which allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted local font, related to "Type Confusion."

NVD Source

Technical Analysis

CVE-2010-4577 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

Debian1 product(s)
debian linux
Fedora1 product(s)
fedora
Google2 product(s)
chromechrome os
webkitgtk1 product(s)
webkitgtk
Source: NVD CPE · 6 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttp://trac.webkit.org/changeset/72685
PATCHhttp://trac.webkit.org/changeset/72685/trunk/WebCore/css/CSSParser.cpp
PATCHhttp://trac.webkit.org/changeset/72685
PATCHhttp://trac.webkit.org/changeset/72685/trunk/WebCore/css/CSSParser.cpp
ADVISORYhttp://lists.fedoraproject.org/pipermail/package-announce/2011-January/052906.html
ADVISORYhttp://secunia.com/advisories/42648
ADVISORYhttp://secunia.com/advisories/43086
ADVISORYhttp://www.debian.org/security/2011/dsa-2188
ADVISORYhttp://www.gentoo.org/security/en/glsa/glsa-201012-01.xml
ADVISORYhttp://www.redhat.com/support/errata/RHSA-2011-0177.html
ADVISORYhttp://www.securityfocus.com/bid/45722
ADVISORYhttp://www.vupen.com/english/advisories/2011/0216
ADVISORYhttps://bugzilla.redhat.com/show_bug.cgi?id=667025
ADVISORYhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13953
ADVISORYhttp://lists.fedoraproject.org/pipermail/package-announce/2011-January/052906.html
ADVISORYhttp://secunia.com/advisories/42648
ADVISORYhttp://secunia.com/advisories/43086
ADVISORYhttp://www.debian.org/security/2011/dsa-2188
ADVISORYhttp://www.gentoo.org/security/en/glsa/glsa-201012-01.xml
ADVISORYhttp://www.redhat.com/support/errata/RHSA-2011-0177.html
ADVISORYhttp://www.securityfocus.com/bid/45722
ADVISORYhttp://www.vupen.com/english/advisories/2011/0216
ADVISORYhttps://bugzilla.redhat.com/show_bug.cgi?id=667025
ADVISORYhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13953

All References (30)

→
http://code.google.com/p/chromium/issues/detail?id=63866Exploit · Issue Tracking · Mailing List
→
http://googlechromereleases.blogspot.com/2010/12/stable-beta-channel-updates_13.htmlRelease Notes
→
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052906.htmlMailing List · Third Party Advisory
→
http://secunia.com/advisories/42648Broken Link · Third Party Advisory
→
http://secunia.com/advisories/43086Broken Link · Third Party Advisory
→
http://trac.webkit.org/changeset/72685Mailing List · Patch
→
http://trac.webkit.org/changeset/72685/trunk/WebCore/css/CSSParser.cppMailing List · Patch
→
http://www.debian.org/security/2011/dsa-2188Mailing List · Third Party Advisory
→
http://www.gentoo.org/security/en/glsa/glsa-201012-01.xmlThird Party Advisory
→
http://www.redhat.com/support/errata/RHSA-2011-0177.htmlBroken Link · Third Party Advisory
→
http://www.securityfocus.com/bid/45722Broken Link · Third Party Advisory · VDB Entry
→
http://www.vupen.com/english/advisories/2011/0216Broken Link · Third Party Advisory
→
https://bugs.webkit.org/show_bug.cgi?id=49883Permissions Required
→
https://bugzilla.redhat.com/show_bug.cgi?id=667025Issue Tracking · Third Party Advisory
→
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13953Broken Link · Third Party Advisory

Quick Facts

CVE IDCVE-2010-4577
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-125
CISA KEVNo
Affected4 vendor(s)
PublishedDec 22, 2010

Related CVEs (CWE-125)

CVE-2021-41556
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CVE-2013-0767
10.0
CVE-2017-14451
10.0
CVE-2021-21777
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CVE-2009-2523
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CVE-2023-26489
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Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2010-4577 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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