Vulnerability · Published Nov 15, 2022 · Assigned by mitre
CVE-2022-43071
Medium 5.5
In plain English
A medium-severity out-of-bounds write in the xpdf package (Alpine). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 29% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 71.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A stack overflow in the Catalog::readPageLabelTree2(Object*) function of XPDF v4.04 allows attackers to cause a Denial of Service (DoS) via a crafted PDF file.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | xpdf | 4.05-r0 | ALPINE-CVE-2022-43071 |
| Alpine:v3.21 | xpdf | 4.05-r0 | ALPINE-CVE-2022-43071 |
| Alpine:v3.22 | xpdf | 4.05-r0 | ALPINE-CVE-2022-43071 |
| Alpine:v3.23 | xpdf | 4.05-r0 | ALPINE-CVE-2022-43071 |
| Alpine:v3.24 | xpdf | 4.05-r0 | ALPINE-CVE-2022-43071 |
| Ubuntu:22.04:LTS | ipe | no fix listed | UBUNTU-CVE-2022-43071 |
| Ubuntu:24.04:LTS | ipe | no fix listed | UBUNTU-CVE-2022-43071 |
| Ubuntu:25.10 | ipe | no fix listed | UBUNTU-CVE-2022-43071 |
| Ubuntu:26.04:LTS | ipe | no fix listed | UBUNTU-CVE-2022-43071 |
| Ubuntu:26.10 | ipe | no fix listed | UBUNTU-CVE-2022-43071 |
Affected products (as reported)
Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H