CVE-2020-21676

MEDIUM EPSS 60.6%
Published Aug 10, 20214y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Aug 10, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

Description

A stack-based buffer overflow in the genpstrx_text() component in genpstricks.c of fig2dev 3.2.7b allows attackers to cause a denial of service (DOS) via converting a xfig file into pstricks format.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
60.6% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 3

VendorProductVersionRange
fig2dev_projectfig2dev3.2.7bany
debiandebian_linux9.0any
debiandebian_linux10.0any

References 4

  • cwe.mitre.org https://cwe.mitre.org/data/definitions/121.html
    Technical DescriptionThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2021/10/msg00002.html
    Mailing ListThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2023/01/msg00044.html
    Mailing ListThird Party Advisory
  • sourceforge.net https://sourceforge.net/p/mcj/tickets/76/
    ExploitIssue TrackingPatchThird Party Advisory

Remediation

  • sourceforge.net https://sourceforge.net/p/mcj/tickets/76/
    ExploitIssue TrackingPatchThird Party Advisory