CVE-2020-25725

Published: Nov 21, 2020Updated: Nov 21, 2024 Sources: CVE List NVDCWE-416

5.0MEDIUM

NVD MITRE

Description

In Xpdf 4.02, SplashOutputDev::endType3Char(GfxState *state) SplashOutputDev.cc:3079 is trying to use the freed `t3GlyphStack->cache`, which causes an `heap-use-after-free` problem. The codes of a previous fix for nested Type 3 characters wasn't correctly handling the case where a Type 3 char referred to another char in the same Type 3 font.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:RUser Interaction

Required

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

xpdfreader

aka xpdf

xpdfOn-premDesktop App

Consumer Software / productivity

fedoraproject

oss-project·USaka fedora project

fedoraOn-premOS

Operating Systems / linux-distro

Glyph & Cog

oss-projectaka xpdf

xpdfLibrary

OSS Libraries / generic-library

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

Official Patch Available

Is your org exposed to CVE-2020-25725?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques

Initial Access

Privilege Escalation

View detailed technique mapping

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25725

bugzilla.redhat.com

https://forum.xpdfreader.com/viewtopic.php?f=3&t=41915

forum.xpdfreader.com

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/

lists.fedoraproject.org

and 1 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2020-25725 and every CVE in our database. Create a free account — no credit card required.

Create Free Account

Plain-language analysis

Impact assessment and exploitation scenario in plain English

Attack graph visualization

Interactive attack path and kill chain mapping

Exploit details & PoC links

ExploitDB, Metasploit, GitHub PoCs with direct links

Nuclei scanner templates

Ready-to-use vulnerability scanner templates

Full remediation guide

Patch instructions, workarounds, and compliance impact

Interactive AI chat

Ask questions about this vulnerability in natural language

Related vulnerabilities

Semantically similar CVEs and attack patterns

REST API & MCP access

Integrate vulnerability data into your workflows