CVE-2022-48303

GNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs in from_header in list.c via a V7 archive in which mtime has approximately 11 whitespace characters.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CRY7VEL4AIG3GLIEVCTOXRZNSVYDYYUD/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X5VQYCO52Z7GAVCLRYUITN7KXHLRZQS4/	Mailing List Third Party Advisory
https://savannah.gnu.org/bugs/?62387	Exploit Vendor Advisory
https://savannah.gnu.org/patch/?10307	Patch Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CRY7VEL4AIG3GLIEVCTOXRZNSVYDYYUD/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X5VQYCO52Z7GAVCLRYUITN7KXHLRZQS4/	Mailing List Third Party Advisory
https://savannah.gnu.org/bugs/?62387	Exploit Vendor Advisory
https://savannah.gnu.org/patch/?10307	Patch Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
https://cert-portal.siemens.com/productcert/html/ssa-806742.html

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:tar:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:37:::::::*
	cpe:2.3:o:fedoraproject:fedora:38:::::::*

History

14 Oct 2026, 19:16

Type	Values Removed	Values Added
References		() https://cert-portal.siemens.com/productcert/html/ssa-398330.html - () https://cert-portal.siemens.com/productcert/html/ssa-806742.html -

Information

Published : 2023-01-30 04:15

Updated : 2026-10-14 19:16

NVD link : CVE-2022-48303

Mitre link : CVE-2022-48303

CVE.ORG link : CVE-2022-48303

JSON object : View

Products Affected

gnu

tar

fedoraproject

fedora

CWE

CWE-125

Out-of-bounds Read

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Exploitation to change the flow of control has not been demonstrated. The issue occurs in from_header in list.c via a V7 archive in which mtime has approximately 11 whitespace characters."}, {"lang": "es", "value": "GNU Tar hasta 1.34 tiene una lectura fuera de los l\u00edmites de un byte que resulta en el uso de memoria no inicializada para un salto condicional. No se ha demostrado explotaci\u00f3n para cambiar el flujo de control. El problema ocurre en from_header en list.c a trav\u00e9s de un archivo V7 en el que mtime tiene aproximadamente 11 caracteres de espacio en blanco."}], "lastModified": "2026-10-14T19:16:56.197", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gnu:tar:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07E94814-967C-4B81-9137-6DA8E51F81D2", "versionEndIncluding": "1.34"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E30D0E6F-4AE8-4284-8716-991DFA48CC5D"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CC559B26-5DFC-4B7A-A27C-B77DE755DFF9"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}