CVE-2020-27778: debian debian_linux Access of Uninitialized Pointer
Vulnerability summary
CVE-2020-27778 is a high (CVSS 7.5) Access of Uninitialized Pointer vulnerability in debian debian_linux. EPSS estimates a 2.20% chance of exploitation in the next 30 days, higher than 82.2% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 6 · Related 5Timeline
- 03-12-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
6 scores · 5 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · Red hatEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.20%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
0.00 pp
From 2.20% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugzilla.redhat.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Redhat26 products
- enterprise_linux8.0
- evince< 0:3.28.4-11.el8
- evince-browser-plugin< 0:3.28.4-11.el8
- evince-browser-plugin-debuginfo< 0:3.28.4-11.el8
- evince-debuginfo< 0:3.28.4-11.el8
Debian2 products
- poppler< 0.85.0-2
- debian_linuxEOL10.0
Alpine1 product
- poppler< 0.76.0-r0
Freedesktop1 product
- poppler< 0.76.0
Mageia1 product
- poppler< 0.74.0-3.4.mga7
Ubuntu1 product
- poppler< 0.41.0-0ubuntu1.15 | < 0.62.0-2ubuntu2.11
6 vendors · 32 products
References
17 links- bugzilla.redhat.com/show_bug.cgi?id=1900712X Refsource MISCREPORTExploitIssue TrackingPatchThird Party Advisory
lists.debian.org/debian-lts-announce/2022/09/msg00030.htmlMailing ListX Refsource MLISTThird Party Advisory
