CVE-2021-3756

libmysofa is vulnerable to Heap-based Buffer Overflow

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/hoene/libmysofa/commit/890400ebd092c574707d0c132124f8ff047e20e1	Patch Third Party Advisory
https://huntr.dev/bounties/7ca8d9ea-e2a6-4294-af28-70260bb53bc1	Exploit Issue Tracking Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PGQ45S4RH7MC42NHTAGOIHYR4C5IRTMZ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WGY7TAZX2M4NYXXGNHIBBKKN5XMSMKQ4/
https://github.com/hoene/libmysofa/commit/890400ebd092c574707d0c132124f8ff047e20e1	Patch Third Party Advisory
https://huntr.dev/bounties/7ca8d9ea-e2a6-4294-af28-70260bb53bc1	Exploit Issue Tracking Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PGQ45S4RH7MC42NHTAGOIHYR4C5IRTMZ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WGY7TAZX2M4NYXXGNHIBBKKN5XMSMKQ4/

Configurations

Configuration 1 (hide)

cpe:2.3:a:symonics:libmysofa:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:34:::::::*
	cpe:2.3:o:fedoraproject:fedora:35:::::::*

History

No history.

Information

Published : 2021-10-29 16:15

Updated : 2026-06-17 04:05

NVD link : CVE-2021-3756

Mitre link : CVE-2021-3756

CVE.ORG link : CVE-2021-3756

JSON object : View

Products Affected

symonics

libmysofa

fedoraproject

fedora

CWE

CWE-122

Heap-based Buffer Overflow

CWE-787

Out-of-bounds Write

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