# CVE-2019-6976: gir1.2-vips-8.0: libvips before 8.7.4 generates output images from uninitialized memory locations when processing corrupted input imag...

CVE-2019-6976 is fixed in 4 products on 1 platform, first by gir1.2-vips-8.0 8.4.5-1ubuntu0.1~esm1, released July 15, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-6976
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0221
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 26, 2019

## Description

libvips before 8.7.4 generates output images from uninitialized memory locations when processing corrupted input image data because iofuncs/memory.c does not zero out allocated memory. This can result in leaking raw process memory contents through the output image.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gir1.2-vips-8.0 Ubuntu 18.04.6 LTS (bionic) | 8.4.5-1ubuntu0.1~esm1 | [gir1.2-vips-8.0 8.4.5-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-vips-8.0-8.4.5-1ubuntu0.1-esm1.md) | Jul 15, 2021 |
| Linux | libvips-tools Ubuntu 18.04.6 LTS (bionic) | 8.4.5-1ubuntu0.1~esm1 | [libvips-tools 8.4.5-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libvips-tools-8.4.5-1ubuntu0.1-esm1.md) | Jul 15, 2021 |
| Linux | libvips42 Ubuntu 18.04.6 LTS (bionic) | 8.4.5-1ubuntu0.1~esm1 | [libvips42 8.4.5-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libvips42-8.4.5-1ubuntu0.1-esm1.md) | Jul 15, 2021 |
| Linux | python-vipscc Ubuntu 18.04.6 LTS (bionic) | 8.4.5-1ubuntu0.1~esm1 | [python-vipscc 8.4.5-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-vipscc-8.4.5-1ubuntu0.1-esm1.md) | Jul 15, 2021 |

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Data as of 2026-11-08T00:53:09Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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