postgresql: case insensitive range handling integer overflow leading to buffer overflow
Published Feb 17, 2016
7.5
HIGHCVSS 3.0
EPSS 6.95%
Description
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.
Affected products
No data.
Configuration 1
- ≤ 9.1.19
- 9.2
- 9.2.1
- 9.2.2
- 9.2.3
- 9.2.4
- 9.2.5
- 9.2.6
- 9.2.7
- 9.2.8
- 9.2.9
- 9.2.10
- 9.2.11
- 9.2.12
- 9.2.13
- 9.2.14
- 9.4
- 9.4.1
- 9.4.2
- 9.4.3
- 9.4.4
- 9.4.5
- 9.5
Configuration 2
- 12.04
- 14.04
- 15.10
- 7.0
- 8.0
No data.
Red Hat Enterprise Linux 6
postgresql-0:8.4.20-5.el6_7
Fixed · RHSA-2016:0347
Red Hat Enterprise Linux 7
postgresql-0:9.2.15-1.el7_2
Fixed · RHSA-2016:0346
Red Hat Satellite 5.7
postgresql92-postgresql-0:9.2.15-2.el6
Fixed · RHSA-2016:1060
Red Hat Satellite 5.7
postgresql92-postgresql-0:9.2.15-2.el6
Fixed · RHSA-2016:1060
Red Hat Software Collections for Red Hat Enterprise Linux 6
postgresql92-postgresql-0:9.2.15-1.el6
Fixed · RHSA-2016:0349
Red Hat Software Collections for Red Hat Enterprise Linux 6
rh-postgresql94-postgresql-0:9.4.6-1.el6
Fixed · RHSA-2016:0348
Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS
postgresql92-postgresql-0:9.2.15-1.el6
Fixed · RHSA-2016:0349
Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS
rh-postgresql94-postgresql-0:9.4.6-1.el6
Fixed · RHSA-2016:0348
Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
postgresql92-postgresql-0:9.2.15-1.el6
Fixed · RHSA-2016:0349
Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
rh-postgresql94-postgresql-0:9.4.6-1.el6
Fixed · RHSA-2016:0348
Red Hat Software Collections for Red Hat Enterprise Linux 7
postgresql92-postgresql-0:9.2.15-1.el7
Fixed · RHSA-2016:0349
Red Hat Software Collections for Red Hat Enterprise Linux 7
rh-postgresql94-postgresql-0:9.4.6-1.el7
Fixed · RHSA-2016:0348
Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUS
postgresql92-postgresql-0:9.2.15-1.el7
Fixed · RHSA-2016:0349
Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUS
rh-postgresql94-postgresql-0:9.4.6-1.el7
Fixed · RHSA-2016:0348
Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUS
postgresql92-postgresql-0:9.2.15-1.el7
Fixed · RHSA-2016:0349
Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUS
rh-postgresql94-postgresql-0:9.4.6-1.el7
Fixed · RHSA-2016:0348
CloudForms Management Engine 5
postgresql
Affected
CloudForms Management Engine 5
postgresql92-postgresql
Affected
Red Hat Enterprise Linux 5
postgresql
Will not fix
Red Hat Enterprise Linux 5
postgresql84
Will not fix
Red Hat Enterprise Linux 5
tcl
Not affected
Red Hat Enterprise Linux 6
pl
Not affected
Red Hat Enterprise Linux 6
tcl
Not affected
Red Hat Enterprise Linux 7
tcl
Not affected
Red Hat Satellite 5
postgresql
Affected
Red Hat Software Collections
rh-postgresql95-postgresql
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | postgresql-0:8.4.20-5.el6_7 | Fixed | RHSA-2016:0347 |
| Red Hat Enterprise Linux 7 | postgresql-0:9.2.15-1.el7_2 | Fixed | RHSA-2016:0346 |
| Red Hat Satellite 5.7 | postgresql92-postgresql-0:9.2.15-2.el6 | Fixed | RHSA-2016:1060 |
| Red Hat Satellite 5.7 | postgresql92-postgresql-0:9.2.15-2.el6 | Fixed | RHSA-2016:1060 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 | postgresql92-postgresql-0:9.2.15-1.el6 | Fixed | RHSA-2016:0349 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 | rh-postgresql94-postgresql-0:9.4.6-1.el6 | Fixed | RHSA-2016:0348 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS | postgresql92-postgresql-0:9.2.15-1.el6 | Fixed | RHSA-2016:0349 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS | rh-postgresql94-postgresql-0:9.4.6-1.el6 | Fixed | RHSA-2016:0348 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS | postgresql92-postgresql-0:9.2.15-1.el6 | Fixed | RHSA-2016:0349 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS | rh-postgresql94-postgresql-0:9.4.6-1.el6 | Fixed | RHSA-2016:0348 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | postgresql92-postgresql-0:9.2.15-1.el7 | Fixed | RHSA-2016:0349 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | rh-postgresql94-postgresql-0:9.4.6-1.el7 | Fixed | RHSA-2016:0348 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUS | postgresql92-postgresql-0:9.2.15-1.el7 | Fixed | RHSA-2016:0349 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUS | rh-postgresql94-postgresql-0:9.4.6-1.el7 | Fixed | RHSA-2016:0348 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUS | postgresql92-postgresql-0:9.2.15-1.el7 | Fixed | RHSA-2016:0349 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUS | rh-postgresql94-postgresql-0:9.4.6-1.el7 | Fixed | RHSA-2016:0348 |
| CloudForms Management Engine 5 | postgresql | Affected | n/a |
| CloudForms Management Engine 5 | postgresql92-postgresql | Affected | n/a |
| Red Hat Enterprise Linux 5 | postgresql | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | postgresql84 | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | tcl | Not affected | n/a |
| Red Hat Enterprise Linux 6 | pl | Not affected | n/a |
| Red Hat Enterprise Linux 6 | tcl | Not affected | n/a |
| Red Hat Enterprise Linux 7 | tcl | Not affected | n/a |
| Red Hat Satellite 5 | postgresql | Affected | n/a |
| Red Hat Software Collections | rh-postgresql95-postgresql | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.95% (0.06948) | 93.92th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.82% (0.06818) | 93.16th | v5 (v2026.06.15) |
| May 13, 2026 | 10.87% (0.10867) | 93.45th | v4 (v2025.03.14) |
| Feb 18, 2026 | 12.45% (0.12452) | 93.74th | v4 (v2025.03.14) |
| Dec 30, 2025 | 9.47% (0.09468) | 92.54th | v4 (v2025.03.14) |
| Dec 28, 2025 | 20.24% (0.20244) | 95.31th | v4 (v2025.03.14) |
| Dec 27, 2025 | 14.02% (0.14016) | 94.15th | v4 (v2025.03.14) |
| Dec 14, 2025 | 20.24% (0.20244) | 95.30th | v4 (v2025.03.14) |
| Oct 28, 2025 | 6.94% (0.06945) | 91.00th | v4 (v2025.03.14) |
| Oct 27, 2025 | 4.51% (0.04510) | 88.65th | v4 (v2025.03.14) |
| Oct 1, 2025 | 6.94% (0.06945) | 91.09th | v4 (v2025.03.14) |
| Aug 20, 2025 | 4.51% (0.04510) | 88.69th | v4 (v2025.03.14) |
| Jul 9, 2025 | 3.36% (0.03360) | 86.81th | v4 (v2025.03.14) |
| Apr 10, 2025 | 4.51% (0.04510) | 88.15th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.36% (0.03360) | 86.20th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.17% (0.05172) | 82.78th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.36% (0.03360) | 86.51th | v4 (v2025.03.14) |
| Dec 12, 2024 | 21.12% (0.21119) | 96.61th | v3 (v2023.03.01) |
| May 20, 2023 | 21.12% (0.21119) | 95.70th | v3 (v2023.03.01) |
| Mar 7, 2023 | 18.17% (0.18171) | 95.32th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.36% (0.04358) | 88.02th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.36% (0.04358) | 86.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.36% (0.04358) | 70.59th | v2 (v2022.01.01) |
References (27)
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177820.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177878.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00049.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00052.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00054.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00056.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00016.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2016-1060.html vendor-advisoryx_refsource_REDHAT
- http://www.debian.org/security/2016/dsa-3475 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2016/dsa-3476 vendor-advisoryx_refsource_DEBIAN
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html x_refsource_CONFIRM
- http://www.postgresql.org/about/news/1644/ x_refsource_CONFIRMVendor Advisory
- http://www.postgresql.org/docs/current/static/release-9-1-20.html x_refsource_CONFIRM
- http://www.postgresql.org/docs/current/static/release-9-2-15.html x_refsource_CONFIRM
- http://www.postgresql.org/docs/current/static/release-9-3-11.html x_refsource_CONFIRM
- http://www.postgresql.org/docs/current/static/release-9-4-6.html x_refsource_CONFIRM
- http://www.postgresql.org/docs/current/static/release-9-5-1.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/83184 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1035005 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2894-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2016-0773 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1303832 Issue Tracking
- https://kc.mcafee.com/corporate/index?page=content&id=SB10152 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2016-0773
- https://puppet.com/security/cve/CVE-2016-0773 x_refsource_CONFIRM
- https://security.gentoo.org/glsa/201701-33 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-0773
Change history (0)
No recorded changes yet.