CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-70634

TimescaleDB through 2.29.1, fixed in commit 517c13e, contains an out-of-bounds read in the Dictionary compression reverse row iterator (tsl/src/compression/algorithms/dictionary.c). The forward path validates the decoded index; the reverse path uses an assertion compiled out of release builds, leaving the 64-bit Simple8b index unvalidated and the read offset attacker-controlled. Attackers with DML access to a physical compressed relation can store a crafted datum and run a reverse-order scan. With a pass-by-value column type the out-of-bounds Datum is returned to the client as a normal column value, disclosing backend memory including the shared buffer pool, which SQL access control does not cover.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.004

EPSS Ranking 34.4%

CVSS Severity

CVSS v3 Score 8.1

References

Products affected by CVE-2026-70634

Timescale » Timescaledb » Version: 1.0.0

cpe:2.3:a:timescale:timescaledb:1.0.0
Timescale » Timescaledb » Version: 1.0.1

cpe:2.3:a:timescale:timescaledb:1.0.1
Timescale » Timescaledb » Version: 1.1.0

cpe:2.3:a:timescale:timescaledb:1.1.0
Timescale » Timescaledb » Version: 1.1.1

cpe:2.3:a:timescale:timescaledb:1.1.1
Timescale » Timescaledb » Version: 1.2.0

cpe:2.3:a:timescale:timescaledb:1.2.0
Timescale » Timescaledb » Version: 1.2.1

cpe:2.3:a:timescale:timescaledb:1.2.1
Timescale » Timescaledb » Version: 1.2.2

cpe:2.3:a:timescale:timescaledb:1.2.2
Timescale » Timescaledb » Version: 1.3.0

cpe:2.3:a:timescale:timescaledb:1.3.0
Timescale » Timescaledb » Version: 1.3.1

cpe:2.3:a:timescale:timescaledb:1.3.1
Timescale » Timescaledb » Version: 1.3.2

cpe:2.3:a:timescale:timescaledb:1.3.2
Timescale » Timescaledb » Version: 1.4.0

cpe:2.3:a:timescale:timescaledb:1.4.0
Timescale » Timescaledb » Version: 1.4.1

cpe:2.3:a:timescale:timescaledb:1.4.1
Timescale » Timescaledb » Version: 1.4.2

cpe:2.3:a:timescale:timescaledb:1.4.2
Timescale » Timescaledb » Version: 1.5.0

cpe:2.3:a:timescale:timescaledb:1.5.0
Timescale » Timescaledb » Version: 1.5.1

cpe:2.3:a:timescale:timescaledb:1.5.1
Timescale » Timescaledb » Version: 1.6.0

cpe:2.3:a:timescale:timescaledb:1.6.0
Timescale » Timescaledb » Version: 1.6.1

cpe:2.3:a:timescale:timescaledb:1.6.1
Timescale » Timescaledb » Version: 1.7.0

cpe:2.3:a:timescale:timescaledb:1.7.0
Timescale » Timescaledb » Version: 1.7.1

cpe:2.3:a:timescale:timescaledb:1.7.1
Timescale » Timescaledb » Version: 1.7.2

cpe:2.3:a:timescale:timescaledb:1.7.2
Timescale » Timescaledb » Version: 1.7.3

cpe:2.3:a:timescale:timescaledb:1.7.3
Timescale » Timescaledb » Version: 1.7.4

cpe:2.3:a:timescale:timescaledb:1.7.4
Timescale » Timescaledb » Version: 1.7.5

cpe:2.3:a:timescale:timescaledb:1.7.5
Timescale » Timescaledb » Version: 2.0.0

cpe:2.3:a:timescale:timescaledb:2.0.0
Timescale » Timescaledb » Version: 2.0.1

cpe:2.3:a:timescale:timescaledb:2.0.1
Timescale » Timescaledb » Version: 2.0.2

cpe:2.3:a:timescale:timescaledb:2.0.2
Timescale » Timescaledb » Version: 2.1.0

cpe:2.3:a:timescale:timescaledb:2.1.0
Timescale » Timescaledb » Version: 2.1.1

cpe:2.3:a:timescale:timescaledb:2.1.1
Timescale » Timescaledb » Version: 2.10.0

cpe:2.3:a:timescale:timescaledb:2.10.0
Timescale » Timescaledb » Version: 2.10.1

cpe:2.3:a:timescale:timescaledb:2.10.1
Timescale » Timescaledb » Version: 2.10.2

cpe:2.3:a:timescale:timescaledb:2.10.2
Timescale » Timescaledb » Version: 2.10.3

cpe:2.3:a:timescale:timescaledb:2.10.3
Timescale » Timescaledb » Version: 2.11.0

cpe:2.3:a:timescale:timescaledb:2.11.0
Timescale » Timescaledb » Version: 2.11.1

cpe:2.3:a:timescale:timescaledb:2.11.1
Timescale » Timescaledb » Version: 2.11.2

cpe:2.3:a:timescale:timescaledb:2.11.2
Timescale » Timescaledb » Version: 2.12.0

cpe:2.3:a:timescale:timescaledb:2.12.0
Timescale » Timescaledb » Version: 2.12.1

cpe:2.3:a:timescale:timescaledb:2.12.1
Timescale » Timescaledb » Version: 2.12.2

cpe:2.3:a:timescale:timescaledb:2.12.2
Timescale » Timescaledb » Version: 2.13.0

cpe:2.3:a:timescale:timescaledb:2.13.0
Timescale » Timescaledb » Version: 2.13.1

cpe:2.3:a:timescale:timescaledb:2.13.1
Timescale » Timescaledb » Version: 2.14.0

cpe:2.3:a:timescale:timescaledb:2.14.0
Timescale » Timescaledb » Version: 2.14.1

cpe:2.3:a:timescale:timescaledb:2.14.1
Timescale » Timescaledb » Version: 2.14.2

cpe:2.3:a:timescale:timescaledb:2.14.2
Timescale » Timescaledb » Version: 2.15.0

cpe:2.3:a:timescale:timescaledb:2.15.0
Timescale » Timescaledb » Version: 2.15.1

cpe:2.3:a:timescale:timescaledb:2.15.1
Timescale » Timescaledb » Version: 2.15.2

cpe:2.3:a:timescale:timescaledb:2.15.2
Timescale » Timescaledb » Version: 2.15.3

cpe:2.3:a:timescale:timescaledb:2.15.3
Timescale » Timescaledb » Version: 2.16.0

cpe:2.3:a:timescale:timescaledb:2.16.0
Timescale » Timescaledb » Version: 2.16.1

cpe:2.3:a:timescale:timescaledb:2.16.1
Timescale » Timescaledb » Version: 2.17.0

cpe:2.3:a:timescale:timescaledb:2.17.0
Timescale » Timescaledb » Version: 2.17.1

cpe:2.3:a:timescale:timescaledb:2.17.1
Timescale » Timescaledb » Version: 2.17.2

cpe:2.3:a:timescale:timescaledb:2.17.2
Timescale » Timescaledb » Version: 2.18.0

cpe:2.3:a:timescale:timescaledb:2.18.0
Timescale » Timescaledb » Version: 2.18.1

cpe:2.3:a:timescale:timescaledb:2.18.1
Timescale » Timescaledb » Version: 2.18.2

cpe:2.3:a:timescale:timescaledb:2.18.2
Timescale » Timescaledb » Version: 2.19.0

cpe:2.3:a:timescale:timescaledb:2.19.0
Timescale » Timescaledb » Version: 2.19.1

cpe:2.3:a:timescale:timescaledb:2.19.1
Timescale » Timescaledb » Version: 2.19.2

cpe:2.3:a:timescale:timescaledb:2.19.2
Timescale » Timescaledb » Version: 2.19.3

cpe:2.3:a:timescale:timescaledb:2.19.3
Timescale » Timescaledb » Version: 2.2.0

cpe:2.3:a:timescale:timescaledb:2.2.0
Timescale » Timescaledb » Version: 2.2.1

cpe:2.3:a:timescale:timescaledb:2.2.1
Timescale » Timescaledb » Version: 2.20.0

cpe:2.3:a:timescale:timescaledb:2.20.0
Timescale » Timescaledb » Version: 2.20.1

cpe:2.3:a:timescale:timescaledb:2.20.1
Timescale » Timescaledb » Version: 2.20.2

cpe:2.3:a:timescale:timescaledb:2.20.2
Timescale » Timescaledb » Version: 2.20.3

cpe:2.3:a:timescale:timescaledb:2.20.3
Timescale » Timescaledb » Version: 2.21.0

cpe:2.3:a:timescale:timescaledb:2.21.0
Timescale » Timescaledb » Version: 2.21.1

cpe:2.3:a:timescale:timescaledb:2.21.1
Timescale » Timescaledb » Version: 2.21.2

cpe:2.3:a:timescale:timescaledb:2.21.2
Timescale » Timescaledb » Version: 2.21.3

cpe:2.3:a:timescale:timescaledb:2.21.3
Timescale » Timescaledb » Version: 2.21.4

cpe:2.3:a:timescale:timescaledb:2.21.4
Timescale » Timescaledb » Version: 2.22.0

cpe:2.3:a:timescale:timescaledb:2.22.0
Timescale » Timescaledb » Version: 2.22.1

cpe:2.3:a:timescale:timescaledb:2.22.1
Timescale » Timescaledb » Version: 2.23.0

cpe:2.3:a:timescale:timescaledb:2.23.0
Timescale » Timescaledb » Version: 2.23.1

cpe:2.3:a:timescale:timescaledb:2.23.1
Timescale » Timescaledb » Version: 2.24.0

cpe:2.3:a:timescale:timescaledb:2.24.0
Timescale » Timescaledb » Version: 2.25.0

cpe:2.3:a:timescale:timescaledb:2.25.0
Timescale » Timescaledb » Version: 2.25.1

cpe:2.3:a:timescale:timescaledb:2.25.1
Timescale » Timescaledb » Version: 2.25.2

cpe:2.3:a:timescale:timescaledb:2.25.2
Timescale » Timescaledb » Version: 2.26.0

cpe:2.3:a:timescale:timescaledb:2.26.0
Timescale » Timescaledb » Version: 2.26.1

cpe:2.3:a:timescale:timescaledb:2.26.1
Timescale » Timescaledb » Version: 2.26.2

cpe:2.3:a:timescale:timescaledb:2.26.2
Timescale » Timescaledb » Version: 2.26.3

cpe:2.3:a:timescale:timescaledb:2.26.3
Timescale » Timescaledb » Version: 2.26.4

cpe:2.3:a:timescale:timescaledb:2.26.4
Timescale » Timescaledb » Version: 2.3.0

cpe:2.3:a:timescale:timescaledb:2.3.0
Timescale » Timescaledb » Version: 2.3.1

cpe:2.3:a:timescale:timescaledb:2.3.1
Timescale » Timescaledb » Version: 2.4.0

cpe:2.3:a:timescale:timescaledb:2.4.0
Timescale » Timescaledb » Version: 2.4.1

cpe:2.3:a:timescale:timescaledb:2.4.1
Timescale » Timescaledb » Version: 2.4.2

cpe:2.3:a:timescale:timescaledb:2.4.2
Timescale » Timescaledb » Version: 2.5.0

cpe:2.3:a:timescale:timescaledb:2.5.0
Timescale » Timescaledb » Version: 2.5.1

cpe:2.3:a:timescale:timescaledb:2.5.1
Timescale » Timescaledb » Version: 2.5.2

cpe:2.3:a:timescale:timescaledb:2.5.2
Timescale » Timescaledb » Version: 2.6.0

cpe:2.3:a:timescale:timescaledb:2.6.0
Timescale » Timescaledb » Version: 2.6.1

cpe:2.3:a:timescale:timescaledb:2.6.1
Timescale » Timescaledb » Version: 2.7.0

cpe:2.3:a:timescale:timescaledb:2.7.0
Timescale » Timescaledb » Version: 2.7.1

cpe:2.3:a:timescale:timescaledb:2.7.1
Timescale » Timescaledb » Version: 2.7.2

cpe:2.3:a:timescale:timescaledb:2.7.2
Timescale » Timescaledb » Version: 2.8.0

cpe:2.3:a:timescale:timescaledb:2.8.0
Timescale » Timescaledb » Version: 2.8.1

cpe:2.3:a:timescale:timescaledb:2.8.1
Timescale » Timescaledb » Version: 2.9.0

cpe:2.3:a:timescale:timescaledb:2.9.0
Timescale » Timescaledb » Version: 2.9.1

cpe:2.3:a:timescale:timescaledb:2.9.1
Timescale » Timescaledb » Version: 2.9.2

cpe:2.3:a:timescale:timescaledb:2.9.2
Timescale » Timescaledb » Version: 2.9.3

cpe:2.3:a:timescale:timescaledb:2.9.3

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-70634

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