webkit: CSS Font Face Parsing Type Confusion Vulnerability
Published Dec 22, 2010
7.5
HIGHCVSS 3.1
EPSS 2.21%
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."
Affected products
No data.
Configuration 1
Configuration 2
- 13
Configuration 3
- 6.0
- 7.0
No data.
Red Hat Enterprise Linux 6
webkitgtk-0:1.2.6-2.el6_0
Fixed · RHSA-2011:0177
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | webkitgtk-0:1.2.6-2.el6_0 | Fixed | RHSA-2011:0177 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Feb 5, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.21% (0.02209) | 81.95th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.21% (0.02209) | 80.20th | v5 (v2026.06.15) |
| Mar 30, 2025 | 4.27% (0.04266) | 87.76th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.01% (0.09014) | 87.56th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.15% (0.04150) | 87.90th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.76% (0.00755) | 81.73th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.76% (0.00755) | 81.14th | v3 (v2023.03.01) |
| Feb 2, 2024 | 0.76% (0.00755) | 79.14th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.46% (0.00464) | 71.56th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
References (18)
- http://code.google.com/p/chromium/issues/detail?id=63866 x_refsource_CONFIRMExploitIssue TrackingMailing List
- http://googlechromereleases.blogspot.com/2010/12/stable-beta-channel-updates_13.html x_refsource_CONFIRMRelease Notes
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052906.html vendor-advisoryx_refsource_FEDORAMailing ListThird Party Advisory
- http://secunia.com/advisories/42648 third-party-advisoryx_refsource_SECUNIABroken LinkThird Party Advisory
- http://secunia.com/advisories/43086 third-party-advisoryx_refsource_SECUNIABroken LinkThird Party Advisory
- http://trac.webkit.org/changeset/72685 x_refsource_MISCMailing ListPatch
- http://trac.webkit.org/changeset/72685/trunk/WebCore/css/CSSParser.cpp x_refsource_MISCMailing ListPatch
- http://www.debian.org/security/2011/dsa-2188 vendor-advisoryx_refsource_DEBIANMailing ListThird Party Advisory
- http://www.gentoo.org/security/en/glsa/glsa-201012-01.xml vendor-advisoryx_refsource_GENTOOThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2011-0177.html vendor-advisoryx_refsource_REDHATBroken LinkThird Party Advisory
- http://www.securityfocus.com/bid/45722 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- http://www.vupen.com/english/advisories/2011/0216 vdb-entryx_refsource_VUPENBroken LinkThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2010-4577 Vendor Advisory
- https://bugs.webkit.org/show_bug.cgi?id=49883 x_refsource_MISCPermissions Required
- https://bugzilla.redhat.com/show_bug.cgi?id=667025 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2010-4577
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13953 vdb-entrysignaturex_refsource_OVALBroken LinkThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2010-4577
Change history (0)
No recorded changes yet.