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CVE-2026-70635

TimescaleDB 2.29.1 Out-of-Bounds Read DoS via Bulk Dictionary Decompression Negative Index PUBLISHED

Description (CNA)

TimescaleDB through 2.29.1, fixed in commit 517c13e, contains an out-of-bounds read vulnerability that allows authenticated attackers to cause query-result integrity failures or backend crashes by supplying a crafted Simple8b selector-11 value, which is stored in the signed int16 Arrow dictionary-index type and bypasses index validation checks in bulk text dictionary decompression. Attackers with direct DML access to a non-frozen physical compressed hypertable relation can trigger an out-of-bounds read before the base of the live offsets array through the VectorAgg single-text hashing strategy, resulting in incorrect aggregation output, backend SIGSEGV, or PostgreSQL crash recovery depending on build configuration.

Affected (CNA)

Vendor / productVersions
timescale / timescaledbaffected 0 through 2.29.1; unaffected 517c13e7cc6afadb4a7deaa7a5a5a29065e5b5a3

CWE

CWE-129, CWE-125

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.