VULNERABILITY INTELLIGENCE

CVE-2026-70633

CVSS score7.1 HIGH
EPSS probability0.51%
CISA KEVNot currently listed
Published2026-08-06
Last modified2026-10-24
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Description

TimescaleDB through 2.29.1, fixed in commit 517c13e, contains an out-of-bounds read vulnerability in the Gorilla compression reverse row iterator that allows authenticated attackers to cause a denial of service by storing a crafted compressed datum with an internally inconsistent BitArray. Attackers with DML access to a compressed hypertable can trigger an unsigned integer wraparound in the reverse iterator bucket index computation, causing a read beyond the end of the bucket array, resulting in a SIGSEGV crash that can be repeatedly triggered on each subsequent reverse-order scan.

Weakness classification

  • CWE-125: Out-of-bounds Read
  • CWE-191: Integer Underflow (Wrap or Wraparound)

Primary references