Distribution advisory
This page covers CVE-2026-6575 as tracked by Alpine, for the package postgresql18. The fix is available in version 18.4-r0; earlier versions remain affected.
How this vulnerability can be exploited
This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability none.
CVSS metrics in full
The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Attack vector: Network — reachable from anywhere that can route to the service.
- Attack complexity: Low — the attack works reliably, with no preparation.
- Privileges required: Low — an ordinary user account is enough.
- User interaction: None — nobody has to be tricked into anything.
- Scope: Unchanged — the damage stays inside the vulnerable component.
- Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
- Integrity impact: None.
- Availability impact: None.
Weakness class
ALPINE-CVE-2026-6575 is classified as CWE-126: Buffer Over-read. The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.
Affected software
ALPINE-CVE-2026-6575 is recorded against 1 package.
- postgresql18 (fixed in 18.4-r0)
Timeline and source
Published on 14 May 2026 and last revised on 15 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
security.alpinelinux.org (Advisory)
Other advisories for this package
postgresql18 has other advisories on record. If you are patching this one, these are worth checking on the same host:
Same weakness in other software
These advisories are the same class of weakness (CWE-126: Buffer Over-read) in other software:
