CVE-2025-28162 Denial of service in n/a
A local attacker can cause a denial of service in libpng by triggering memory leaks that lead to high memory usage and unresponsiveness.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-28162?
CVE-2025-28162 is a medium-severity denial of service vulnerability in Libpng Libpng, published on 27 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of service via the pngimage with AddressSanitizer (ASan), the program leaks memory in various locations, eventually leading to high memory usage and causing the program to become unresponsive
Weakness: CWE-120
Which versions are affected by CVE-2025-28162?
It affects 1 product.
Products include Libpng Libpng.
How do I fix CVE-2025-28162?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-28162 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-28162 exists.
Other vulnerabilities in Libpng Libpng
- CVE-2017-12652 Denial of service in n/a
- CVE-2018-14550 Out-of-bounds write in libpng
- CVE-2026-25646 LIBPNG has a heap buffer overflow in png_set_quantize
- CVE-2026-33636 LIBPNG has ARM NEON Palette Expansion Out-of-Bounds Read on AArch64
- CVE-2026-33416 LIBPNG has use-after-free via pointer aliasing in `png_set_tRNS` and `png_set_PLTE`
Sources
Also known as BELL-CVE-2025-28162, DEBIAN-CVE-2025-28162, ECHO-6086-bf4f-3673, GHSA-h77p-hrmm-5v85, JLSEC-2026-9, MINI-xjvg-w95w-m83j and 2 more.