Skip to main content

Boteraser | Website and Server Security Solutions

🛡️ CVE-2021-3756 on Debian 11 (Root.io) — libmysofa

🟠 CVSS 8.0 — High ✅ No Known Exploit OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2021-3756 in libmysofa - Patched by Root

Root has patched CVE-2021-3756 in the libmysofa package for Root:Debian:11. Multiple fixed versions available.

Distribution advisory

This page covers CVE-2021-3756 as tracked by Debian 11 (Root.io), for the package libmysofa. The fix is available in version 1.2~dfsg0-1.root.io.5; earlier versions remain affected.

Affected software

ROOT-OS-DEBIAN-11-CVE-2021-3756 is recorded against 2 packages.

  • libmysofa (fixed in 1.2~dfsg0-1.root.io.5)
  • rootio-libmysofa (fixed in 1.2~dfsg0-1.root.io.5)

Timeline and source

Published on 20 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

Other advisories for this package

libmysofa has other advisories on record. If you are patching this one, these are worth checking on the same host:

CVE-2021-3756 on other distributions

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

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-08-20
Updated 2026-08-20
Modified 2026-08-20
Fix URL N/A

Affected Packages

Software From version Fixed in
libmysofa — 1.2~dfsg0-1.root.io.5
rootio-libmysofa — 1.2~dfsg0-1.root.io.5

References

N/A

Similar Threats

Site Security Check

Is libmysofa part of your stack?

ROOT-OS-DEBIAN-11-CVE-2021-3756 is rated CVSS 8.0 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.

Scan My Site Free →

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.

Browse related advisories

All advisoriesRoot.io
✓