🛡️ CVE-2022-38936 — pbc

🟠 CVSS 7.5 — High ⚠️ Exploit Public CWE-252 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

An issue has been found in PBC through 2022-8-27. A SEGV issue detected in the function pbc_wmessage_integer in src/wmessage.c:137.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2022-38936 is classified as CWE-252: Unchecked Return Value. A return value signalling failure is ignored, and execution continues as though the operation had succeeded.

Affected software

CVE-2022-38936 is recorded against 1 package.

  • pbc (fixed in 2022-08-27)

Timeline and source

Published on 23 September 2022 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

github.com
github.com

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-252
Public Exploit ⚠️ Yes
Source NVD
Published 2022-09-23
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
pbc — 2022-08-27

References

Exploit, Issue Tracking, Third Party Advisory https://github.com/cloudwu/pbc/issues/158
Exploit, Issue Tracking, Third Party Advisory https://github.com/cloudwu/pbc/issues/158

Similar Threats

Exploit Protection

Are you running pbc?

CVE-2022-38936 carries CVSS 7.5 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.

Check My Site For CVE-2022-38936 →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.