Is CVE-2020-25725 actively exploited?

CVE-2020-25725 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2020-25725?

CVE-2020-25725 has a CVSS score of 5 (MEDIUM severity). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H.

How do I patch CVE-2020-25725?

Patch guidance is available from xpdfreader security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-25725.

CVE-2020-25725 - remediation guidance & executive summary

Q: Which products are affected by CVE-2020-25725?

3 products: xpdfreader xpdf, fedoraproject fedora, fedoraproject fedora.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Attack Vector: local
Complexity: low
Privileges: low
User Action: required
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-416 · Use After Free CWE-416 · Use After Free

Metadata

Primary Vendor: XPDFREADER
Published: 11/21/2020
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2020-25725

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary