CVE-2020-27778: Buffer Overflow
First published: Mon Nov 23 2020(Updated: )
A flaw was found in Poppler in the way certain PDF files were converted into HTML. A remote attacker could exploit this flaw by providing a malicious PDF file that, when processed by the 'pdftohtml' program, would crash the application causing a denial of service.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/poppler | <0.76.0 | 0.76.0 |
| freedesktop poppler | <0.76.0 | |
| Redhat Enterprise Linux | =8.0 | |
| Debian Debian Linux | =10.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1900712
- https://lists.debian.org/debian-lts-announce/2022/09/msg00030.html
- https://gitlab.freedesktop.org/poppler/poppler/-/issues/742
- https://gitlab.freedesktop.org/poppler/poppler/-/commit/30c731b487190c02afff3f036736a392eb60cd9a
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1900713
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1900712#c0
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1900712#c6
- https://access.redhat.com/errata/RHSA-2021:1881
- https://access.redhat.com/security/cve/cve-2020-27778
Frequently Asked Questions
What is CVE-2020-27778?
CVE-2020-27778 is a vulnerability in Poppler that allows a remote attacker to crash the application and cause a denial of service.
How does CVE-2020-27778 work?
CVE-2020-27778 works by providing a malicious PDF file that, when processed by the 'pdftohtml' program, crashes the application.
What is the severity of CVE-2020-27778?
The severity of CVE-2020-27778 is high, with a CVSS score of 7.5.
Which software is affected by CVE-2020-27778?
Poppler version up to 0.76.0, Red Hat Enterprise Linux 8.0, and Debian Debian Linux 10.0 are affected by CVE-2020-27778.
How can I fix CVE-2020-27778?
To fix CVE-2020-27778, update Poppler to version 0.76.0 or apply the necessary patches provided by the software vendor.
- agent/type
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- collector/nvd-index
- agent/software-canonical-lookup
- agent/references
- agent/remedy
- agent/severity
- agent/weakness
- agent/author
- agent/description
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2020-27778
- agent/tags
- agent/event
- collector/mitre-cve
- source/MITRE
- vendor/freedesktop
- canonical/freedesktop poppler
- vendor/redhat
- canonical/redhat enterprise linux
- version/redhat enterprise linux/8.0
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0
- package-manager/redhat