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CVE-2019-13508

FreeTDS through 1.1.11 has a Buffer Overflow.

9.8 CriticalFix available

FreeTDS through 1.1.11 has a Buffer Overflow.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.78%Up 1.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

FreeTDS through 1.1.11 has a Buffer Overflow.

Record
CVE-2019-13508
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-119
Updated
2026-11-02
CVE List No score

FreeTDS through 1.1.11 has a Buffer Overflow.

Record
CVE-2019-13508
Updated
2026-11-02
EUVDEUVD-2019-4964 No score

FreeTDS through 1.1.11 has a Buffer Overflow.

Record
EUVD-2019-4964
Updated
2026-11-03
GitHub AdvisoriesGHSA-865m-p9hx-mgvh No score

FreeTDS through 1.1.11 has a Buffer Overflow.

FreeTDS through 1.1.11 has a Buffer Overflow.

Record
GHSA-865m-p9hx-mgvh
Updated
2026-11-02
OSVALPINE-CVE-2019-13508 9.8

FreeTDS through 1.1.11 has a Buffer Overflow.

Record
ALPINE-CVE-2019-13508
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSV 9.8

FreeTDS through 1.1.11 has a Buffer Overflow.

Record
CVE-2019-13508
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 10 moreShow less
OSVDEBIAN-CVE-2019-13508 9.8

FreeTDS through 1.1.11 has a Buffer Overflow.

Record
DEBIAN-CVE-2019-13508
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2022-1516 9.8

freetds security update

FreeTDS is an open source implementation of the TDS (Tabular Data Stream) protocol used by these databases for their own clients. It supports many different flavors of the protocol and three APIs to access it. FreeTDS includes call level interfaces for DB-Lib, CT-Lib, and ODBC.

Security Fix(es):

FreeTDS through 1.1.11 has a Buffer Overflow.(CVE-2019-13508)

Record
OESA-2022-1516
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2022-2075 9.8

freetds security update

FreeTDS is an open source implementation of the TDS (Tabular Data Stream) protocol used by these databases for their own clients. It supports many different flavors of the protocol and three APIs to access it. FreeTDS includes call level interfaces for DB-Lib, CT-Lib, and ODBC.

Security Fix(es):

FreeTDS through 1.1.11 has a Buffer Overflow.(CVE-2019-13508)

Record
OESA-2022-2075
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2019-13508 9.8

FreeTDS through 1.1.11 has a Buffer Overflow.

Record
UBUNTU-CVE-2019-13508
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVMGASA-2019-0319 No score

Updated freetds packages fix security vulnerability

Updated freetds packages fix security vulnerability:

Felix Wilhelm discovered that FreeTDS incorrectly handled certain types after a protocol downgrade. A remote attacker could use this issue to cause FreeTDS to crash, resulting in a denial of service, or possibly execute arbitrary code (CVE-2019-13508).

Record
MGASA-2019-0319
Updated
2026-11-02
OSVopenSUSE-SU-2020:0741-1 No score

Security update for freetds

This update for freetds to 1.1.36 fixes the following issues:

Security issue fixed:

  • CVE-2019-13508: Fixed a heap overflow that could have been caused by malicious servers sending UDT types over protocol version 5.0 (bsc#1141132).

Non-security issues fixed:

  • Enabled Kerberos support
  • Version update to 1.1.36:
    • Default TDS protocol version is now 'auto'
    • Improved UTF-8 performances
    • TDS Pool Server is enabled
    • MARS support is enabled
    • NTLMv2 is enabled
    • See NEWS and ChangeLog for a complete list of changes

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2020:0741-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10769-1 No score

freetds-config-1.2.21-1.3 on GA media

These are all security issues fixed in the freetds-config-1.2.21-1.3 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10769-1
Updated
2026-11-02
OSVSUSE-SU-2020:1417-1 No score

Security update for freetds

This update for freetds to 1.1.36 fixes the following issues:

Security issue fixed:

  • CVE-2019-13508: Fixed a heap overflow that could have been caused by malicious servers sending UDT types over protocol version 5.0 (bsc#1141132).

Non-security issues fixed:

  • Enabled Kerberos support
  • Version update to 1.1.36:
    • Default TDS protocol version is now 'auto'
    • Improved UTF-8 performances
    • TDS Pool Server is enabled
    • MARS support is enabled
    • NTLMv2 is enabled
    • See NEWS and ChangeLog for a complete list of changes
Record
SUSE-SU-2020:1417-1
Updated
2026-11-02
OSVSUSE-SU-2020:1417-2 No score

Security update for freetds

This update for freetds to 1.1.36 fixes the following issues:

Security issue fixed:

  • CVE-2019-13508: Fixed a heap overflow that could have been caused by malicious servers sending UDT types over protocol version 5.0 (bsc#1141132).

Non-security issues fixed:

  • Enabled Kerberos support
  • Version update to 1.1.36:
    • Default TDS protocol version is now 'auto'
    • Improved UTF-8 performances
    • TDS Pool Server is enabled
    • MARS support is enabled
    • NTLMv2 is enabled
    • See NEWS and ChangeLog for a complete list of changes
Record
SUSE-SU-2020:1417-2
Updated
2026-11-02
OSVUSN-4173-1 No score

freetds vulnerability

Felix Wilhelm discovered that FreeTDS incorrectly handled certain types after a protocol downgrade. A remote attacker could use this issue to cause FreeTDS to crash, resulting in a denial of service, or possibly execute arbitrary code.

Record
USN-4173-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
freetds
Alpine:v3.10
 before 1.1.6-r1
1.1.6-r1
freetds
Alpine:v3.8
 before 1.1.6-r1
1.1.6-r1
freetds
Alpine:v3.9
 before 1.1.6-r1
1.1.6-r1
freetds
Debian:12
 before 1.1.6-1.1
1.1.6-1.1
freetds
Debian:13
 before 1.1.6-1.1
1.1.6-1.1
freetds
Debian:14
 before 1.1.6-1.1
1.1.6-1.1
freetds
Mageia:7
 before 1.00.83-2.1.mga7
1.00.83-2.1.mga7
freetds
openEuler:20.03-LTS-SP1
 before 1.00.38-8.oe1
1.00.38-8.oe1
freetds
openEuler:20.03-LTS-SP2
 before 1.00.38-8.oe1
1.00.38-8.oe1
freetds
openEuler:20.03-LTS-SP3
 before 1.00.38-8.oe1
1.00.38-8.oe1
Show 8 moreShow less
Affected packages
PackageAffectedFixed
freetds
openEuler:22.03-LTS
 before 1.00.38-8.oe2203
1.00.38-8.oe2203
freetds
SUSE:Linux Enterprise Module for Server Applications 15 SP1
 before 1.1.36-3.3.1
1.1.36-3.3.1
freetds
SUSE:Linux Enterprise Module for Package Hub 15 SP1
 before 1.1.36-3.3.1
1.1.36-3.3.1
freetds
SUSE:Linux Enterprise Module for Package Hub 15 SP2
 before 1.1.36-3.3.1
1.1.36-3.3.1
freetds
SUSE:Linux Enterprise Module for Server Applications 15 SP2
 before 1.1.36-3.3.1
1.1.36-3.3.1
freetds
Ubuntu:18.04:LTS
 before 1.00.82-2ubuntu0.1, plus listed versions
0.91-6.1build21.00.82-2
1.00.82-2ubuntu0.1
freetds
openSUSE:Leap 15.1
 before 1.1.36-lp151.3.3.1
1.1.36-lp151.3.3.1
freetds
openSUSE:Tumbleweed
 before 1.2.21-1.3
1.2.21-1.3

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-13508 is a critical vulnerability (CVSS 9.8) in Freetds, published August 1, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.78%, the 78th percentile. Fixed in freetds 1.1.6-r1.

References

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