WebKit: off-by-one memory read out of bounds vulnerability in handling of HTML lists
Published Sep 24, 2010
8.8
HIGHCVSS 3.1
EPSS 2.15%
Description
Off-by-one error in the toAlphabetic function in rendering/RenderListMarker.cpp in WebCore in WebKit before r59950, as used in Google Chrome before 5.0.375.70, allows remote attackers to obtain sensitive information, cause a denial of service (memory corruption and application crash), or possibly execute arbitrary code via vectors related to list markers for HTML lists, aka rdar problem 8009118.
Affected products
No data.
Configuration 2
- 6.0
Configuration 3
- 9.10
- 10.04
- 10.10
Configuration 5
- 12
- 13
No data.
Red Hat Enterprise Linux 6
qt
Will not fix
Red Hat Enterprise Linux 6
webkitgtk
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | qt | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | webkitgtk | Will not fix | n/a |
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:R/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.15% (0.02149) | 81.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.15% (0.02149) | 79.67th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.78% (0.01781) | 81.06th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.72% (0.03715) | 79.70th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.32% (0.01318) | 78.51th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.55% (0.03550) | 91.45th | v3 (v2023.03.01) |
| Apr 4, 2024 | 1.58% (0.01585) | 87.07th | v3 (v2023.03.01) |
| Feb 20, 2024 | 1.41% (0.01407) | 86.04th | v3 (v2023.03.01) |
| Jul 4, 2023 | 1.80% (0.01802) | 86.46th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.28% (0.01278) | 83.56th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.86% (0.05857) | 90.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.86% (0.05857) | 89.59th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.86% (0.05857) | 77.44th | v2 (v2022.01.01) |
References (23)
- http://code.google.com/p/chromium/issues/detail?id=44955 x_refsource_CONFIRMMailing ListVendor Advisory
- http://googlechromereleases.blogspot.com/2010/06/stable-channel-update.html x_refsource_CONFIRMRelease NotesVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044023.html vendor-advisoryx_refsource_FEDORAMailing ListThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044031.html vendor-advisoryx_refsource_FEDORAMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://secunia.com/advisories/40072 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/40557 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/41856 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/43068 third-party-advisoryx_refsource_SECUNIABroken Link
- http://trac.webkit.org/changeset/59950 x_refsource_CONFIRMMailing ListPatchVendor Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:039 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.securityfocus.com/bid/41575 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-1006-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.vupen.com/english/advisories/2010/1801 vdb-entryx_refsource_VUPENBroken Link
- http://www.vupen.com/english/advisories/2010/2722 vdb-entryx_refsource_VUPENBroken Link
- http://www.vupen.com/english/advisories/2011/0212 vdb-entryx_refsource_VUPENBroken Link
- http://www.vupen.com/english/advisories/2011/0552 vdb-entryx_refsource_VUPENBroken Link
- https://access.redhat.com/security/cve/CVE-2010-1773 Vendor Advisory
- https://bugs.webkit.org/show_bug.cgi?id=39508 x_refsource_CONFIRMPermissions RequiredVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=596500 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2010-1773
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11830 vdb-entrysignaturex_refsource_OVALThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2010-1773
Change history (0)
No recorded changes yet.