Vulnerability DatabaseCVE-2015-6806
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CVE-2015-6806
Published:September 28, 2015
Updated:May 17, 2026
The MScrollV function in ansi.c in GNU screen 4.3.1 and earlier does not properly limit recursion, which allows remote attackers to cause a denial of service (stack consumption) via an escape sequence with a large repeat count value.
Related Resources (11)
http://www.debian.org/security/2015/dsa-3352
https://access.redhat.com/security/cve/CVE-2015-6806
https://usn.ubuntu.com/3996-1/
http://www.openwall.com/lists/oss-security/2015/09/03/4
https://people.canonical.com/~ubuntu-security/cve/CVE-2015-6806
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00001.html
https://security-tracker.debian.org/tracker/CVE-2015-6806
http://www.openwall.com/lists/oss-security/2015/09/03/11
https://savannah.gnu.org/bugs/?45713
http://git.savannah.gnu.org/cgit/screen.git/commit/?id=b7484c224738247b510ed0d268cd577076958f1b
http://www.openwall.com/lists/oss-security/2015/09/01/1
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CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
CVSS v2
Base Score:
5
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Weakness Type (CWE)
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-119
EPSS
Base Score:
0.64