// For flags

CVE-2021-36978

 

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

QPDF 9.x through 9.1.1 and 10.x through 10.0.4 has a heap-based buffer overflow in Pl_ASCII85Decoder::write (called from Pl_AES_PDF::flush and Pl_AES_PDF::finish) when a certain downstream write fails.

QPDF versiones 9.x hasta 9.1.1 y versiones 10.x hasta 10.0.4, presenta un desbordamiento de búfer en la región heap de la memoria en la función Pl_ASCII85Decoder::write (llamado desde Pl_AES_PDF::flush y Pl_AES_PDF::finish) cuando comete un fallo una determinada escritura descendente

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2021-07-20 CVE Reserved
  • 2021-07-20 CVE Published
  • 2024-04-04 EPSS Updated
  • 2024-10-15 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Qpdf Project
Search vendor "Qpdf Project"
 Qpdf
Search vendor "Qpdf Project" for product "Qpdf"
 >= 9.0.0 <= 9.1.1
Search vendor "Qpdf Project" for product "Qpdf" and version " >= 9.0.0 <= 9.1.1"
-
Affected
Qpdf Project
Search vendor "Qpdf Project"
 Qpdf
Search vendor "Qpdf Project" for product "Qpdf"
 >= 10.0.0 <= 10.0.4
Search vendor "Qpdf Project" for product "Qpdf" and version " >= 10.0.0 <= 10.0.4"
-
Affected