# libmagick++-6-headers 8:6.9.7.4+dfsg-16ubuntu6.15+esm13: libmagick++-6-headers 8:6.9.7.4+dfsg-16ubuntu6.15+esm13 for Ubuntu 18.04.6 LTS (bionic)

libmagick++-6-headers 8:6.9.7.4+dfsg-16ubuntu6.15+esm13, released March 10, 2026, fixes 6 CVEs in libmagick++-6-headers. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-bionic-libmagick-6-headers-8-6.9.7.4-dfsg-16ubuntu6.15-esm13
- Platform: Linux
- Released: Mar 10, 2026
- Priority: High (Closes CVE-2026-28691, high severity)
- CVEs: 6, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libmagick++-6-headers](https://patchblox.com/security/data/product/linux/libmagick-6-headers.md) | Ubuntu 18.04.6 LTS (bionic) | 8:6.9.7.4+dfsg-16ubuntu6.15+esm13 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-28691](https://patchblox.com/security/data/cve/CVE-2026-28691.md) | High | GraphicsMagick: missing check in the JBIG decoder can lead to an uninitialized pointer dereference (bsc#1259455). | 7.5 | 0.0041 |  |
| [CVE-2026-28693](https://patchblox.com/security/data/cve/CVE-2026-28693.md) | High | ImageMagick: integer overflow in the DIB coder can lead to an out-of-bounds read or write (bsc#1259466). | 8.1 | 0.0038 |  |
| [CVE-2026-27798](https://patchblox.com/security/data/cve/CVE-2026-27798.md) | High | ImageMagick: Heap Buffer Over-read in WaveletDenoise when processing small images (bsc#1259018). | 7.1 | 0.0016 |  |
| [CVE-2026-28692](https://patchblox.com/security/data/cve/CVE-2026-28692.md) | Routine | ImageMagick: 32-bit integer overflow in MAT decoder can lead to a heap buffer over-read (bsc#1259457). | 4.8 | 0.0029 |  |
| [CVE-2026-27799](https://patchblox.com/security/data/cve/CVE-2026-27799.md) | Routine | ImageMagick: ImageMagick has a heap Buffer Over-read in its DJVU image format handler (bsc#1259017). | 4.4 | 0.0014 |  |
| [CVE-2026-28690](https://patchblox.com/security/data/cve/CVE-2026-28690.md) | Routine | GraphicsMagick: missing bounds check in the MNG encoder can lead to a stack buffer overflow (bsc#1259456). | 6.5 | 0.0012 |  |

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Data as of 2026-11-14T08:07:45Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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