# CVE-2018-20650: gir1.2-poppler-0.18: A reachable Object::dictLookup assertion in Poppler 0.72.0 allows attackers to cause a denial of service due to the l...

CVE-2018-20650 is fixed in 14 products on 1 platform, first by gir1.2-poppler-0.18 0.62.0-2ubuntu2.6, released December 31, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-20650
- Priority: Routine
- CVSS: 6.5 (Low)
- EPSS: 0.0258
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 31, 2018

## Description

A reachable Object::dictLookup assertion in Poppler 0.72.0 allows attackers to cause a denial of service due to the lack of a check for the dict data type, as demonstrated by use of the FileSpec class (in FileSpec.cc) in pdfdetach.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gir1.2-poppler-0.18 Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.6 | [gir1.2-poppler-0.18 0.62.0-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-poppler-0.18-0.62.0-2ubuntu2.6.md) | Dec 31, 2018 |
| Linux | libpoppler-cpp0v5 Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.6 | [libpoppler-cpp0v5 0.62.0-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpoppler-cpp0v5-0.62.0-2ubuntu2.6.md) | Dec 31, 2018 |
| Linux | libpoppler-glib8 Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.6 | [libpoppler-glib8 0.62.0-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpoppler-glib8-0.62.0-2ubuntu2.6.md) | Dec 31, 2018 |
| Linux | libpoppler-qt5-1 Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.6 | [libpoppler-qt5-1 0.62.0-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpoppler-qt5-1-0.62.0-2ubuntu2.6.md) | Dec 31, 2018 |
| Linux | libpoppler73 Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.6 | [libpoppler73 0.62.0-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpoppler73-0.62.0-2ubuntu2.6.md) | Dec 31, 2018 |
| Linux | poppler RHEL 8 | 0:0.66.0-11.el8_0.12 | [RHSA-2019:2713](https://patchblox.com/security/data/fix/linux/rhsa-2019-2713.md) | Sep 12, 2019 |
| Linux | poppler ol 8 | 0:0.66.0-11.el8_0.12 | [ELSA-2019-2713](https://patchblox.com/security/data/fix/linux/elsa-2019-2713.md) | Sep 12, 2019 |
| Linux | poppler-cpp RHEL 8 | 0:0.66.0-11.el8_0.12 | [RHSA-2019:2713](https://patchblox.com/security/data/fix/linux/rhsa-2019-2713.md) | Sep 12, 2019 |
| Linux | poppler-cpp ol 8 | 0:0.66.0-11.el8_0.12 | [ELSA-2019-2713](https://patchblox.com/security/data/fix/linux/elsa-2019-2713.md) | Sep 12, 2019 |
| Linux | poppler-cpp-devel RHEL 8 | 0:0.66.0-11.el8_0.12 | [RHSA-2019:2713](https://patchblox.com/security/data/fix/linux/rhsa-2019-2713.md) | Sep 12, 2019 |
| Linux | poppler-cpp-devel ol 8 | 0:0.66.0-11.el8_0.12 | [ELSA-2019-2713](https://patchblox.com/security/data/fix/linux/elsa-2019-2713.md) | Sep 12, 2019 |
| Linux | poppler-devel RHEL 8 | 0:0.66.0-11.el8_0.12 | [RHSA-2019:2713](https://patchblox.com/security/data/fix/linux/rhsa-2019-2713.md) | Sep 12, 2019 |
| Linux | poppler-devel ol 8 | 0:0.66.0-11.el8_0.12 | [ELSA-2019-2713](https://patchblox.com/security/data/fix/linux/elsa-2019-2713.md) | Sep 12, 2019 |
| Linux | poppler-glib RHEL 8 | 0:0.66.0-11.el8_0.12 | [RHSA-2019:2713](https://patchblox.com/security/data/fix/linux/rhsa-2019-2713.md) | Sep 12, 2019 |
| Linux | poppler-glib ol 8 | 0:0.66.0-11.el8_0.12 | [ELSA-2019-2713](https://patchblox.com/security/data/fix/linux/elsa-2019-2713.md) | Sep 12, 2019 |
| Linux | poppler-glib-devel RHEL 8 | 0:0.66.0-11.el8_0.12 | [RHSA-2019:2713](https://patchblox.com/security/data/fix/linux/rhsa-2019-2713.md) | Sep 12, 2019 |
| Linux | poppler-glib-devel ol 8 | 0:0.66.0-11.el8_0.12 | [ELSA-2019-2713](https://patchblox.com/security/data/fix/linux/elsa-2019-2713.md) | Sep 12, 2019 |
| Linux | poppler-qt5 RHEL 8 | 0:0.66.0-11.el8_0.12 | [RHSA-2019:2713](https://patchblox.com/security/data/fix/linux/rhsa-2019-2713.md) | Sep 12, 2019 |
| Linux | poppler-qt5 ol 8 | 0:0.66.0-11.el8_0.12 | [ELSA-2019-2713](https://patchblox.com/security/data/fix/linux/elsa-2019-2713.md) | Sep 12, 2019 |
| Linux | poppler-qt5-devel RHEL 8 | 0:0.66.0-11.el8_0.12 | [RHSA-2019:2713](https://patchblox.com/security/data/fix/linux/rhsa-2019-2713.md) | Sep 12, 2019 |
| Linux | poppler-qt5-devel ol 8 | 0:0.66.0-11.el8_0.12 | [ELSA-2019-2713](https://patchblox.com/security/data/fix/linux/elsa-2019-2713.md) | Sep 12, 2019 |
| Linux | poppler-utils RHEL 8 | 0:0.66.0-11.el8_0.12 | [RHSA-2019:2713](https://patchblox.com/security/data/fix/linux/rhsa-2019-2713.md) | Sep 12, 2019 |
| Linux | poppler-utils Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.6 | [poppler-utils 0.62.0-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-poppler-utils-0.62.0-2ubuntu2.6.md) | Dec 31, 2018 |
| Linux | poppler-utils ol 8 | 0:0.66.0-11.el8_0.12 | [ELSA-2019-2713](https://patchblox.com/security/data/fix/linux/elsa-2019-2713.md) | Sep 12, 2019 |

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