# DEBIAN-CVE-2023-43907: optipng security update

DEBIAN-CVE-2023-43907, released October 1, 2023, fixes 1 CVE in optipng (version 0.7.8+ds-1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/debian-cve-2023-43907
- Platform: Linux
- Released: Oct 1, 2023
- Priority: High (Closes CVE-2023-43907, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2023-43907

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [optipng](https://patchblox.com/security/data/product/linux/optipng.md) | Debian 13.5 (trixie) | 0.7.8+ds-1 |
| [optipng](https://patchblox.com/security/data/product/linux/optipng.md) | Debian 14 | 0.7.8+ds-1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-43907](https://patchblox.com/security/data/cve/CVE-2023-43907.md) | High | optipng: OptiPNG v0.7.7 was discovered to contain a global buffer overflow via the 'buffer' variable at gifread.c. | 7.8 | 0.0046 |  |

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