CVE-2025-43903
poppler: NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, result...
CVE-2025-43903 is fixed in 20 products on 1 platform, first by gir1.2-poppler-0.18 0.62.0-2ubuntu2.14+esm6, released April 18, 2025. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
3.3
low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0011
1st percentile
NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| gir1.2-poppler-0.18 · Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.14+esm6 | gir1.2-poppler-0.18 0.62.0-2ubuntu2.14+esm6 | Apr 18, 2025 |
| gir1.2-poppler-0.18 · Ubuntu 20.04 LTS (focal) | 0.86.1-0ubuntu1.7 | gir1.2-poppler-0.18 0.86.1-0ubuntu1.7 | Apr 18, 2025 |
| gir1.2-poppler-0.18 · Ubuntu 22.04.1 LTS (jammy) | 22.02.0-2ubuntu0.8 | gir1.2-poppler-0.18 22.02.0-2ubuntu0.8 | Apr 18, 2025 |
| gir1.2-poppler-0.18 · Ubuntu 24.04.5 LTS (noble) | 24.02.0-1ubuntu9.4 | gir1.2-poppler-0.18 24.02.0-1ubuntu9.4 | Apr 18, 2025 |
| gir1.2-poppler-0.18 · Ubuntu 24.10 (oracular) | 24.08.0-1ubuntu0.3 | gir1.2-poppler-0.18 24.08.0-1ubuntu0.3 | Jan 16, 2026 |
| gir1.2-poppler-0.18 · Ubuntu 25.04 (plucky) | 25.03.0-3ubuntu1 | gir1.2-poppler-0.18 25.03.0-3ubuntu1 | Jan 16, 2026 |
| libpoppler-cpp0t64 · Ubuntu 24.04.5 LTS (noble) | 24.02.0-1ubuntu9.4 | libpoppler-cpp0t64 24.02.0-1ubuntu9.4 | Apr 18, 2025 |
| libpoppler-cpp0v5 · Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.14+esm6 | libpoppler-cpp0v5 0.62.0-2ubuntu2.14+esm6 | Apr 18, 2025 |
| libpoppler-cpp0v5 · Ubuntu 20.04 LTS (focal) | 0.86.1-0ubuntu1.7 | libpoppler-cpp0v5 0.86.1-0ubuntu1.7 | Apr 18, 2025 |
| libpoppler-cpp0v5 · Ubuntu 22.04.1 LTS (jammy) | 22.02.0-2ubuntu0.8 | libpoppler-cpp0v5 22.02.0-2ubuntu0.8 | Apr 18, 2025 |
| libpoppler-cpp1 · Ubuntu 24.10 (oracular) | 24.08.0-1ubuntu0.3 | libpoppler-cpp1 24.08.0-1ubuntu0.3 | Jan 16, 2026 |
| libpoppler-cpp2 · Ubuntu 25.04 (plucky) | 25.03.0-3ubuntu1 | libpoppler-cpp2 25.03.0-3ubuntu1 | Jan 16, 2026 |
| libpoppler-glib8 · Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.14+esm6 | libpoppler-glib8 0.62.0-2ubuntu2.14+esm6 | Apr 18, 2025 |
| libpoppler-glib8 · Ubuntu 20.04 LTS (focal) | 0.86.1-0ubuntu1.7 | libpoppler-glib8 0.86.1-0ubuntu1.7 | Apr 18, 2025 |
| libpoppler-glib8 · Ubuntu 22.04.1 LTS (jammy) | 22.02.0-2ubuntu0.8 | libpoppler-glib8 22.02.0-2ubuntu0.8 | Apr 18, 2025 |
| libpoppler-glib8t64 · Ubuntu 24.04.5 LTS (noble) | 24.02.0-1ubuntu9.4 | libpoppler-glib8t64 24.02.0-1ubuntu9.4 | Apr 18, 2025 |
| libpoppler-glib8t64 · Ubuntu 24.10 (oracular) | 24.08.0-1ubuntu0.3 | libpoppler-glib8t64 24.08.0-1ubuntu0.3 | Jan 16, 2026 |
| libpoppler-glib8t64 · Ubuntu 25.04 (plucky) | 25.03.0-3ubuntu1 | libpoppler-glib8t64 25.03.0-3ubuntu1 | Jan 16, 2026 |
| libpoppler-qt5-1 · Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.14+esm6 | libpoppler-qt5-1 0.62.0-2ubuntu2.14+esm6 | Apr 18, 2025 |
| libpoppler-qt5-1 · Ubuntu 20.04 LTS (focal) | 0.86.1-0ubuntu1.7 | libpoppler-qt5-1 0.86.1-0ubuntu1.7 | Apr 18, 2025 |
| libpoppler-qt5-1 · Ubuntu 22.04.1 LTS (jammy) | 22.02.0-2ubuntu0.8 | libpoppler-qt5-1 22.02.0-2ubuntu0.8 | Apr 18, 2025 |
| libpoppler-qt5-1t64 · Ubuntu 24.04.5 LTS (noble) | 24.02.0-1ubuntu9.4 | libpoppler-qt5-1t64 24.02.0-1ubuntu9.4 | Apr 18, 2025 |
| libpoppler-qt5-1t64 · Ubuntu 24.10 (oracular) | 24.08.0-1ubuntu0.3 | libpoppler-qt5-1t64 24.08.0-1ubuntu0.3 | Jan 16, 2026 |
| libpoppler-qt5-1t64 · Ubuntu 25.04 (plucky) | 25.03.0-3ubuntu1 | libpoppler-qt5-1t64 25.03.0-3ubuntu1 | Jan 16, 2026 |
| libpoppler-qt6-3t64 · Ubuntu 24.04.5 LTS (noble) | 24.02.0-1ubuntu9.4 | libpoppler-qt6-3t64 24.02.0-1ubuntu9.4 | Apr 18, 2025 |
| libpoppler-qt6-3t64 · Ubuntu 24.10 (oracular) | 24.08.0-1ubuntu0.3 | libpoppler-qt6-3t64 24.08.0-1ubuntu0.3 | Jan 16, 2026 |
| libpoppler-qt6-3t64 · Ubuntu 25.04 (plucky) | 25.03.0-3ubuntu1 | libpoppler-qt6-3t64 25.03.0-3ubuntu1 | Jan 16, 2026 |
| libpoppler118 · Ubuntu 22.04.1 LTS (jammy) | 22.02.0-2ubuntu0.8 | libpoppler118 22.02.0-2ubuntu0.8 | Apr 18, 2025 |
| libpoppler134 · Ubuntu 24.04.5 LTS (noble) | 24.02.0-1ubuntu9.4 | libpoppler134 24.02.0-1ubuntu9.4 | Apr 18, 2025 |
| libpoppler140 · Ubuntu 24.10 (oracular) | 24.08.0-1ubuntu0.3 | libpoppler140 24.08.0-1ubuntu0.3 | Jan 16, 2026 |
| libpoppler147 · Ubuntu 25.04 (plucky) | 25.03.0-3ubuntu1 | libpoppler147 25.03.0-3ubuntu1 | Jan 16, 2026 |
| libpoppler73 · Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.14+esm6 | libpoppler73 0.62.0-2ubuntu2.14+esm6 | Apr 18, 2025 |
| libpoppler97 · Ubuntu 20.04 LTS (focal) | 0.86.1-0ubuntu1.7 | libpoppler97 0.86.1-0ubuntu1.7 | Apr 18, 2025 |
| poppler · Debian 12.15 (bookworm) | 22.12.0-2+deb12u3 | DEBIAN-CVE-2025-43903 | Apr 18, 2025 |
| poppler · Debian 13.5 (trixie) | 25.03.0-4 | DEBIAN-CVE-2025-43903 | Apr 18, 2025 |
| poppler · Debian 14 | 25.03.0-4 | DEBIAN-CVE-2025-43903 | Apr 18, 2025 |
| poppler · opensuse-leap 15.6 | 24.03.0-150600.3.13.1 | SUSE-SU-2025:1434-1 | May 2, 2025 |
| poppler · sles 15.6 | 24.03.0-150600.3.13.1 | SUSE-SU-2025:1434-1 | May 2, 2025 |
| poppler-qt5 · opensuse-leap 15.6 | 24.03.0-150600.3.13.1 | SUSE-SU-2025:1434-1 | May 2, 2025 |
| poppler-qt5 · sles 15.6 | 24.03.0-150600.3.13.1 | SUSE-SU-2025:1434-1 | May 2, 2025 |
| poppler-qt6 · opensuse-leap 15.6 | 24.03.0-150600.3.13.1 | SUSE-SU-2025:1434-1 | May 2, 2025 |
| poppler-qt6 · sles 15.6 | 24.03.0-150600.3.13.1 | SUSE-SU-2025:1434-1 | May 2, 2025 |
| poppler-utils · Ubuntu 18.04.6 LTS (bionic) | 0.62.0-2ubuntu2.14+esm6 | poppler-utils 0.62.0-2ubuntu2.14+esm6 | Apr 18, 2025 |
| poppler-utils · Ubuntu 20.04 LTS (focal) | 0.86.1-0ubuntu1.7 | poppler-utils 0.86.1-0ubuntu1.7 | Apr 18, 2025 |
| poppler-utils · Ubuntu 22.04.1 LTS (jammy) | 22.02.0-2ubuntu0.8 | poppler-utils 22.02.0-2ubuntu0.8 | Apr 18, 2025 |
| poppler-utils · Ubuntu 24.04.5 LTS (noble) | 24.02.0-1ubuntu9.4 | poppler-utils 24.02.0-1ubuntu9.4 | Apr 18, 2025 |
| poppler-utils · Ubuntu 24.10 (oracular) | 24.08.0-1ubuntu0.3 | poppler-utils 24.08.0-1ubuntu0.3 | Jan 16, 2026 |
| poppler-utils · Ubuntu 25.04 (plucky) | 25.03.0-3ubuntu1 | poppler-utils 25.03.0-3ubuntu1 | Jan 16, 2026 |
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