CVE-2018-16646
First published: Thu Sep 06 2018(Updated: )
A flaw was found 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. References: <a class="bz_bug_link bz_status_CLOSED bz_closed bz_public " title="CLOSED ERRATA - poppler: Infinite recursion in poppler/Parser.cc:Parser::getObj() function" href="show_bug.cgi?id=1622951">https://bugzilla.redhat.com/show_bug.cgi?id=1622951</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| freedesktop poppler | =0.68.0 | |
| Debian Debian Linux | =8.0 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =18.10 | |
| debian/poppler | 20.09.0-3.1+deb11u1 22.12.0-2 24.08.0-3 |
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Reference Links
- https://access.redhat.com/errata/RHSA-2019:2022
- https://bugzilla.redhat.com/show_bug.cgi?id=1622951
- https://lists.debian.org/debian-lts-announce/2018/10/msg00024.html
- https://lists.debian.org/debian-lts-announce/2018/11/msg00040.html
- https://lists.debian.org/debian-lts-announce/2018/12/msg00004.html
- https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html
- https://usn.ubuntu.com/3837-1/
- https://usn.ubuntu.com/3837-2/
- https://launchpad.net/bugs/cve/CVE-2018-16646
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1622951
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1626621
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1626620
- https://access.redhat.com/security/cve/cve-2018-16646
- https://bugzilla.redhat.com/show_bug.cgi?id=1626618
- https://gitlab.freedesktop.org/poppler/poppler/merge_requests/91
- https://gitlab.freedesktop.org/poppler/poppler/commit/3d35d209c19c1d3b09b794a0c863ba5de44a9c0a
- https://gitlab.freedesktop.org/poppler/poppler/commit/89fccf45fc5bfca3756102e6bec1950ec1d436a9
- https://gitlab.freedesktop.org/poppler/poppler/commit/08572e1bdca03baed694dd9828bb2b878865e669
- https://security-tracker.debian.org/tracker/CVE-2018-16646
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16646
- https://nvd.nist.gov/vuln/detail/CVE-2018-16646
- https://ubuntu.com/security/CVE-2018-16646
Frequently Asked Questions
What is CVE-2018-16646?
CVE-2018-16646 is a vulnerability in Poppler 0.68.0 that allows for infinite recursion and can be exploited for a DoS attack.
How severe is CVE-2018-16646?
CVE-2018-16646 has a severity rating of 6.5, which is considered medium.
Which software versions are affected by CVE-2018-16646?
CVE-2018-16646 affects Poppler versions 0.41.0-0ubuntu1.9, 0.62.0-2ubuntu2.4, 0.68.0-0ubuntu1.2, and 0.24.5-2ubuntu4.13.
How can CVE-2018-16646 be fixed?
To fix CVE-2018-16646, users should update their Poppler software to versions that have the remedy as specified in the affected software list.
Where can I find more information about CVE-2018-16646?
More information about CVE-2018-16646 can be found at the following references: - Red Hat: https://access.redhat.com/errata/RHSA-2019:2022 - Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1622951 - Debian: https://lists.debian.org/debian-lts-announce/2018/10/msg00024.html
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