Medium severity · published Dec 22, 2021
CVE-2021-45261
An Invalid Pointer vulnerability exists in GNU patch 2.7 via the another_hunk function, which causes a Denial of Service
5.5
CVSS
0.8%
EPSS
No
On KEV
Description
An Invalid Pointer vulnerability exists in GNU patch 2.7 via the another_hunk function, which causes a Denial of Service.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PA
Patch · Gnu
2.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45261
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45261
Exploit
https://savannah.gnu.org/bugs/?61685
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