Vulnerability · Published May 11, 2023 · Assigned by GandC
CVE-2023-2663Stack overflow in Xpdf 4.04 due to object loop in PDF page label tree
Low 2.9
In plain English
A low-severity security flaw in Xpdf from Xpdf. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)2.9Low
Exploit odds (30 days)0.5%top 58.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In Xpdf 4.04 (and earlier), a PDF object loop in the page label tree leads to infinite recursion and a stack overflow.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | xpdf | 4.05-r0 | ALPINE-CVE-2023-2663 |
| Alpine:v3.21 | xpdf | 4.05-r0 | ALPINE-CVE-2023-2663 |
| Alpine:v3.22 | xpdf | 4.05-r0 | ALPINE-CVE-2023-2663 |
| Alpine:v3.23 | xpdf | 4.05-r0 | ALPINE-CVE-2023-2663 |
| Alpine:v3.24 | xpdf | 4.05-r0 | ALPINE-CVE-2023-2663 |
| Ubuntu:22.04:LTS | ipe | no fix listed | UBUNTU-CVE-2023-2663 |
| Ubuntu:24.04:LTS | ipe | no fix listed | UBUNTU-CVE-2023-2663 |
| Ubuntu:25.10 | ipe | no fix listed | UBUNTU-CVE-2023-2663 |
| Ubuntu:26.04:LTS | ipe | no fix listed | UBUNTU-CVE-2023-2663 |
| Ubuntu:26.10 | ipe | no fix listed | UBUNTU-CVE-2023-2663 |
| Ubuntu:22.04:LTS | xpdf | no fix listed | UBUNTU-CVE-2023-2663 |
| Ubuntu:24.04:LTS | xpdf | no fix listed | UBUNTU-CVE-2023-2663 |
| Ubuntu:25.10 | xpdf | no fix listed | UBUNTU-CVE-2023-2663 |
| Ubuntu:26.04:LTS | xpdf | no fix listed | UBUNTU-CVE-2023-2663 |
| Ubuntu:26.10 | xpdf | no fix listed | UBUNTU-CVE-2023-2663 |
Affected products (as reported)
Weakness: CWE-674 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L