🛡️ CVE-2022-23318 — pcf2bdf

🟠 CVSS 7.1 — High ⚠️ Exploit Public CWE-787 NVD
7.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A heap-buffer-overflow in pcf2bdf, versions >= 1.05 allows an attacker to trigger unsafe memory access via a specially crafted PCF font file. This out-of-bound read may lead to an application crash, information disclosure via program memory or other context-dependent impact.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability high.

Weakness class

CVE-2022-23318 is classified as CWE-787: Out-of-bounds Write. Data is written past the end or before the start of a buffer, corrupting whatever is stored there.

Affected software

CVE-2022-23318 is recorded against 1 package.

  • pcf2bdf

Timeline and source

Published on 17 February 2022 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
github.com
github.com
github.com

CVE-2022-23318 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 7.1
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
CWE CWE-787
Public Exploit ⚠️ Yes
Source NVD
Published 2022-02-17
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
pcf2bdf — —

References

Exploit, Issue Tracking, Patch, Third Party Advisory https://github.com/ganaware/pcf2bdf/issues/4
Exploit, Issue Tracking, Patch, Third Party Advisory https://github.com/ganaware/pcf2bdf/issues/4

Exploit Protection

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CVE-2022-23318 carries CVSS 7.1 High rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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