Skip to content
Fencer Intel
high 7.8

CVE-2026-52492 json

An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized h…

published 2mo ago modified 30d ago also EUVD-2026-65145

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits
0
none known

Summary

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

Patch / fix

  • libtiff hummingbird 1 4.7.2-2.hum1
  • libtiff-tools hummingbird 1 4.7.2-2.hum1

red hat advisories RHSA-2026:53467

Is CVE-2026-52492 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-52492 updated cvss 7.3

libtiff: libtiff: Arbitrary code execution via crafted TIFF image

  • Red Hat Enterprise Linux 6 libtiff
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 10 libtiff
    affected: workaround, no fix available
  • Red Hat Hardened Images libtiff 4.7.2-2.hum1, libtiff-tools 4.7.2-2.hum1
    fixed: vendor fix RHSA-2026:53467
  • Red Hat Enterprise Linux 7 libtiff, libtiff-tools, compat-libtiff3 Red Hat Enterprise Linux 8 libtiff, libtiff-tools, mingw-libtiff, compat-libtiff3, mingw32-libtiff, mingw64-libtiff Red Hat Enterprise Linux 9 libtiff, libtiff-tools
    not affected: vulnerable code not in execute path
  • Red Hat Hardened Images boost
    not affected: component not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2mo ago

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.