Vulnerability · Published Apr 18, 2025 · Assigned by mitre
CVE-2025-43903
Medium 4.3
In plain English
A medium-severity security flaw in Poppler from freedesktop. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.1%top 98.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | poppler | 22.12.0-2+deb12u3 | DEBIAN-CVE-2025-43903 |
| Debian:13 | poppler | 25.03.0-4 | DEBIAN-CVE-2025-43903 |
| Debian:14 | poppler | 25.03.0-4 | DEBIAN-CVE-2025-43903 |
| Ubuntu:22.04:LTS | poppler | 22.02.0-2ubuntu0.8 | USN-7471-1 |
| Ubuntu:22.04:LTS | poppler | 22.02.0-2ubuntu0.8 | UBUNTU-CVE-2025-43903 |
| Ubuntu:24.04:LTS | poppler | 24.02.0-1ubuntu9.4 | USN-7471-1 |
| Ubuntu:24.04:LTS | poppler | 24.02.0-1ubuntu9.4 | UBUNTU-CVE-2025-43903 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| freedesktop | Poppler | 0 – before 25.04.0 |
Weakness: CWE-347 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N