Buffer overflow in PostgreSQL
CVE-2016-0773
PostgreSQL before 9.1.20, 9.2.x before 9.2.15, 9.3.x before 9.3.11, 9.4.x before 9.4.6, and 9.5.x before 9.5.1 allows remote attackers to cause a denial of service (infinite loop or buffer overflow and crash) via a large Unicode character range in a regular expression.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.069 (93.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.069 · newest: 0.069 · change: 0.000
Affected products
- PostgreSQL — versions 9.2, 9.2.1, 9.2.2
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
- Debian Linux — versions 7.0, 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-security-announce/2016-02/msg00054.html (vendor-advisory)
- puppet.com/security/cve/CVE-2016-0773
- www.postgresql.org/docs/current/static/release-9-3-11.html
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00016.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2016-02/msg00052.html (vendor-advisory)
- www.postgresql.org/docs/current/static/release-9-2-15.html
- kc.mcafee.com/corporate/index
- www.postgresql.org/docs/current/static/release-9-5-1.html
- security.gentoo.org/glsa/201701-33 (vendor-advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
Frequently asked questions
- What is CVE-2016-0773?
- CVE-2016-0773 is a high-severity vulnerability in PostgreSQL, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2016-02-17.
- How severe is CVE-2016-0773?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-0773 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.