# CVE-2018-16646: gir1.2-poppler-0.18: In Poppler 0.68.0, the Parser::getObj() function in Parser.cc may cause infinite recursion via a crafted file

CVE-2018-16646 is fixed in 6 products on 1 platform, first by gir1.2-poppler-0.18 0.62.0-2ubuntu2.4, released November 6, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-16646
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.0288
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 5, 2018

## Description

In Poppler 0.68.0, the Parser::getObj() function in Parser.cc may cause infinite recursion via a crafted file. A remote attacker can leverage this for a DoS attack.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gir1.2-poppler-0.18 Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.4 | [gir1.2-poppler-0.18 0.62.0-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-poppler-0.18-0.62.0-2ubuntu2.4.md) | Nov 6, 2018 |
| Linux | libpoppler-cpp0v5 Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.4 | [libpoppler-cpp0v5 0.62.0-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpoppler-cpp0v5-0.62.0-2ubuntu2.4.md) | Nov 6, 2018 |
| Linux | libpoppler-glib8 Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.4 | [libpoppler-glib8 0.62.0-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpoppler-glib8-0.62.0-2ubuntu2.4.md) | Nov 6, 2018 |
| Linux | libpoppler-qt5-1 Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.4 | [libpoppler-qt5-1 0.62.0-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpoppler-qt5-1-0.62.0-2ubuntu2.4.md) | Nov 6, 2018 |
| Linux | libpoppler73 Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.4 | [libpoppler73 0.62.0-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpoppler73-0.62.0-2ubuntu2.4.md) | Nov 6, 2018 |
| Linux | poppler-utils Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.4 | [poppler-utils 0.62.0-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-poppler-utils-0.62.0-2ubuntu2.4.md) | Nov 6, 2018 |

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Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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