CVE-2026-52492CWE-190

CVE-2026-52492

High · published August 25, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
8.0
In the wild
Unconfirmed
What it is

An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00188 · 8.0th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2026-08-25T01:17Z
References (2)
https://gist.github.com/okyfh/fbc5a37cade358361d80f6a498560cfa · [email protected]https://gitlab.com/libtiff/libtiff/-/commit/94affc5cf54111312f9891eb77accb93eebc28d7 · [email protected]
EPSS history
Timeline
  • 26 AUG 08:13Z
    EPSS moved — → 0%
    epss
  • 24 AUG 00:00Z
    An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and…
    cvelistv5