What is CVE-2010-1773?

CVE-2010-1773 is a high-severity vulnerability in Google Chrome, classified under Off-by-one Error. CVSS score: 8.8/10. Published 2010-09-24.

How severe is CVE-2010-1773?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Google Chrome

CVE-2010-1773

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.

Published 2010-09-24 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (81.4th percentile), scored 2026-09-28.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Google Chrome
Canonical Ubuntu Linux — versions 10.04, 9.10, 10.10
Fedoraproject Fedora — versions 12, 13
openSUSE — versions 11.3, 11.2
Red Hat Enterprise Linux — versions 6.0

Weakness classification (CWE)

CWE-193 — Off-by-one Error

References

www.mandriva.com/security/advisories (vendor-advisory, Broken Link)
www.vupen.com/english/advisories/2010/2722 (vdb-entry, Broken Link)
lists.fedoraproject.org/pipermail/package-announce/2010-July/044031.html (vendor-advisory, Mailing List, Third Party Advisory)
secunia.com/advisories/43068 (Broken Link, third-party-advisory)
www.vupen.com/english/advisories/2010/1801 (vdb-entry, Broken Link)
bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
www.ubuntu.com/usn/USN-1006-1 (vendor-advisory, Third Party Advisory)
secunia.com/advisories/41856 (Broken Link, third-party-advisory)
www.vupen.com/english/advisories/2011/0212 (vdb-entry, Broken Link)
secunia.com/advisories/40072 (Broken Link, third-party-advisory)

Frequently asked questions

What is CVE-2010-1773?: CVE-2010-1773 is a high-severity vulnerability in Google Chrome, classified under Off-by-one Error. CVSS score: 8.8/10. Published 2010-09-24.
How severe is CVE-2010-1773?: High severity. CVSS v3 base score is 8.8 out of 10.