CVE-2025-65018
Published: November 26, 2025Last modified: November 30, 2025
Description
LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, there is a heap buffer overflow vulnerability in the libpng simplified API function png_image_finish_read when processing 16-bit interlaced PNGs with 8-bit output format. Attacker-crafted interlaced PNG files cause heap writes beyond allocated buffer bounds. This issue has been patched in version 1.6.51.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.1 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | libpng | Fixed (1.6.44-r1) |
| 25 LTS | libpng | Fixed (1.6.51-r0) | |
| Stream | libpng | Fixed (1.6.51-r1) | |
| Hardened Containers | 23 LTS | libpng | Fixed (1.6.44-r1) |
| Stream | libpng | Fixed (1.6.51-r1) |
References
- https://github.com/pnggroup/libpng/commit/16b5e3823918840aae65c0a6da57c78a5a496a4d
- https://github.com/pnggroup/libpng/commit/218612ddd6b17944e21eda56caf8b4bf7779d1ea
- https://github.com/pnggroup/libpng/issues/755
- https://github.com/pnggroup/libpng/pull/757
- https://github.com/pnggroup/libpng/security/advisories/GHSA-7wv6-48j4-hj3g