# CVE-2018-20099: PYSEC-2018-120 - There is an infinite loop in Exiv2::Jp2Image::encodeJp2Header of jp2image.cpp in Exiv2 0.27-RC3. A…

Source: https://junglewise.ai/threats/cve-2018-20099-pysec-2018-120-there-is-an-infinite-loop-in-exiv2-jp2image  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2018-12-12  
License: CC BY 4.0 with a link back

CVE-2018-20099 · Severity: low · CVSS 3 · Published 2018-12-12

There is an infinite loop in Exiv2::Jp2Image::encodeJp2Header of jp2image.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.

Technologies: [exiv2 (PyPI)](https://junglewise.ai/threats/technologies/exiv2). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2018-20099 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2018-20099 being exploited in the wild.

**How severe is CVE-2018-20099?** Low severity, with a CVSS score of 3, published 12 December 2018.

**Which products and versions are affected?** exiv2 (PyPI) ECOSYSTEM:introduced=0.

**Is there a fix for CVE-2018-20099?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2018-20099?** Check whether you run exiv2 (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- exiv2 (PyPI) ECOSYSTEM:introduced=0

## Identifiers

- CVE-2018-20099
- PYSEC-2018-120

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