High severity · published Aug 15, 2024
CVE-2024-7868
Uninitialized variable in Xpdf 4.05 due to invalid JPEG header
8.2
CVSS
0.4%
EPSS
No
On KEV
Description
In Xpdf 4.05 (and earlier), invalid header info in a DCT (JPEG) stream can lead to an uninitialized variable in the DCT decoder. The proof-of-concept PDF file causes a segfault attempting to read from an invalid address.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XP
Xpdf · Xpdf
through 4.05 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-7868
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-7868
Vendor Advisory
https://www.xpdfreader.com/security-bug/CVE-2024-7868.html
More from Xpdf
6.2
CVE-2024-7867
Integer overflow and divide-by-zero in Xpdf 4.05 due to bogus page box coordinates
5.5
CVE-2024-7866
Stack overflow in Xpdf 4.05 due to object loop in PDF pattern
5.5
CVE-2024-4976
Out-of-bounds array write in Xpdf 4.05 due to missing object type check
5.5
CVE-2024-4568
Stack overflow in Xpdf 4.05 due to object loop in PDF resources
2.1
CVE-2026-116671
Infinite loop in Xpdf due to missing validation in JPEG 2000 decoder