Veracode Vulnerability DatabaseVERACODE:30276Denial Of Service (DoS)
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
Xpdf is vulnerable to denial of service. It is trying to use the freed t3GlyphStack->cache, which causes an heap-use-after-free problem. The codes of a previous fix for nested Type 3 characters wasn’t correctly handling the case where a Type 3 char referred to another char in the same Type 3 font.
References
bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25725
forum.xpdfreader.com/viewtopic.php?f=3&t=41915
lists.fedoraproject.org/archives/list/[email protected]/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/
lists.fedoraproject.org/archives/list/[email protected]/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/
secdb.alpinelinux.org/edge/community.yaml
Related
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P