Critical severity · published Oct 29, 2021
CVE-2021-3756
libmysofa is vulnerable to Heap-based Buffer Overflow
9.8
CVSS
1.1%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
34; 35 · source: NVD
LI
Libmysofa · Symonics
before 1.2.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3756
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3756
Patch
https://github.com/hoene/libmysofa/commit/890400ebd092c574707d0c132124f8ff047e20e1
Exploit
https://huntr.dev/bounties/7ca8d9ea-e2a6-4294-af28-70260bb53bc1
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PGQ45S4RH7MC42NHTAGOIHYR4C5IRTMZ/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WGY7TAZX2M4NYXXGNHIBBKKN5XMSMKQ4/
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