# libqpdf21 8.0.2-3ubuntu0.1: libqpdf21 8.0.2-3ubuntu0.1 for Ubuntu 18.04.6 LTS (bionic)

libqpdf21 8.0.2-3ubuntu0.1, released August 11, 2023, fixes 3 CVEs in libqpdf21. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-bionic-libqpdf21-8.0.2-3ubuntu0.1
- Platform: Linux
- Released: Aug 11, 2023
- Priority: Routine (Closes 3 CVEs, none high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libqpdf21](https://patchblox.com/security/data/product/linux/libqpdf21.md) | Ubuntu 18.04.6 LTS (bionic) | 8.0.2-3ubuntu0.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-36978](https://patchblox.com/security/data/cve/CVE-2021-36978.md) | Routine | qpdf: QPDF 9.x through 9.1.1 and 10.x through 10.0.4 has a heap-based buffer overflow in Pl_ASCII85Decoder::write (called f... | n/a | 0.0127 |  |
| [CVE-2018-18020](https://patchblox.com/security/data/cve/CVE-2018-18020.md) | Routine | libqpdf21: In QPDF 8.2.1, in libqpdf/QPDFWriter.cc, QPDFWriter::unparseObject and QPDFWriter::unparseChild have recursive calls... | n/a | 0.0121 |  |
| [CVE-2021-25786](https://patchblox.com/security/data/cve/CVE-2021-25786.md) | Routine | qpdf: An issue was discovered in QPDF version 10.0.4, allows remote attackers to execute arbitrary code via crafted .pdf fi... | 5.3 | 0.0054 |  |

---

Data as of 2026-11-11T19:49:26Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.