CVE-2007-5266 Integer overflow in n/a
Remote attackers can cause a denial of service via a crafted PNG image due to an off-by-one error in libpng's ICC profile handling.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2007-5266?
CVE-2007-5266 is a medium-severity vulnerability in Libpng Libpng, published on 8 Oct 2007. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Off-by-one error in ICC profile chunk handling in the png_set_iCCP function in pngset.c in libpng before 1.0.29 beta1 and 1.2.x before 1.2.21 beta1 allows remote attackers to cause a denial of service (crash) via a crafted PNG image that prevents a name field from being NULL terminated.
Weakness: CWE-189
Which versions are affected by CVE-2007-5266?
It affects 1 product.
Products include Libpng Libpng.
How do I fix CVE-2007-5266?
No fix has been published for CVE-2007-5266 yet. Limit exposure of the affected software until one is available.
Is CVE-2007-5266 being exploited?
There is no known exploitation of CVE-2007-5266 in the wild and no public exploit code.
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 GHSA-rprg-9vqr-w8h6.