CVE-2026-52492: CVE-2026-52492 is an integer overflow
Source CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 24 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
Until a fix is available, avoid processing untrusted TIFF images with the vulnerable libtiff rgb2ycbcr utility to reduce risk.
Description
CVE-2026-52492 is an integer overflow vulnerability in the libtiff library's rgb2ycbcr utility, specifically in the cvtRaster() function. This flaw occurs when computing strip buffer sizes, leading to an undersized heap allocation. The resulting heap-based buffer overflow can be triggered during the YCbCr conversion of a crafted TIFF image. The vulnerability has a high severity rating with a CVSS score of 7.8.