CVE-2026-70633: TimescaleDB through 2.29.1, fixed in commit 517c13e, contains an out-of-bounds read vulnerability in the Goril

Q: How do I fix CVE-2026-70633?

timescaledb: upgrade to newer than 2.29.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-70633 being exploited?

CVE-2026-70633 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-70633 affect?

CVE-2026-70633 affects timescaledb. Severity is medium (CVSS 6.5). 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 compress

Q: How urgent is CVE-2026-70633?

Priority 33/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2026-70633 is a medium-severity flaw (CVSS 6.5) affecting timescaledb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 rea

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-125, CWE-191
Published	2026-08-06
Last modified	2026-10-24

Publisher (CNA): VulnCheck · Vendor: timescale

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-06 22:18 UTCPublished CVE record published
2026-10-24 15:10 UTCUpdated Record last modified

timescale timescaledb UPGRADE

Affected: <= 2.29.1

Fixed in: newer than 2.29.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy timescaledb || rpm -q timescaledb || timescaledb --version

2. UPGRADE to newer than 2.29.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade timescaledb

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade timescaledb

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-70633?

timescaledb: upgrade to newer than 2.29.1. Exact commands for each OS are on this page.

Is CVE-2026-70633 being exploited?

CVE-2026-70633 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-70633 affect?

CVE-2026-70633 affects timescaledb. Severity is medium (CVSS 6.5). 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 compress

How urgent is CVE-2026-70633?

Priority 33/100. No elevated risk signals yet.

Related CVEs

CVE-2026-70634 HIGH 8.1 UPGRADE TimescaleDB through 2.29.1, fixed in commit 517c13e, contains an out-of-bounds read in the Dictionary compress
CVE-2026-70635 HIGH 7.1 UPGRADE TimescaleDB through 2.29.1, fixed in commit 517c13e, contains an out-of-bounds read vulnerability that allows

References

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