CVE-2018-14346

GNU Libextractor before 1.7 has a stack-based buffer overflow in ec_read_file_func (unzip.c).

8.8 HighFix available

GNU Libextractor before 1.7 has a stack-based buffer overflow in ec_read_file_func (unzip.c).

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.11%Up 1.1 points since Apr 14, 2021

What each source reports

NVD Score used 8.8

GNU Libextractor before 1.7 has a stack-based buffer overflow in ec_read_file_func (unzip.c).

Record: CVE-2018-14346
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-787
Updated: 2026-11-02

CVE List No score

GNU Libextractor before 1.7 has a stack-based buffer overflow in ec_read_file_func (unzip.c).

Record: CVE-2018-14346
Updated: 2026-11-02

EUVDEUVD-2018-6267 No score

GNU Libextractor before 1.7 has a stack-based buffer overflow in ec_read_file_func (unzip.c).

Record: EUVD-2018-6267
Updated: 2026-11-03

GitHub AdvisoriesGHSA-gfcm-4735-4cv3 8.8

GNU Libextractor before 1.7 has a stack-based buffer overflow in ec_read_file_func (unzip.c).

GNU Libextractor before 1.7 has a stack-based buffer overflow in ec_read_file_func (unzip.c).

Record: GHSA-gfcm-4735-4cv3
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-787
Updated: 2026-11-02

OSV 8.8

GNU Libextractor before 1.7 has a stack-based buffer overflow in ec_read_file_func (unzip.c).

Record: CVE-2018-14346
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2018-14346 8.8

GNU Libextractor before 1.7 has a stack-based buffer overflow in ec_read_file_func (unzip.c).

Record: DEBIAN-CVE-2018-14346
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2018-14346 8.8

GNU Libextractor before 1.7 has a stack-based buffer overflow in ec_read_file_func (unzip.c).

Record: UBUNTU-CVE-2018-14346
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVMGASA-2018-0388 No score

Updated libextratcor packages fix security vulnerability

Several vulnerabilities were discovered in libextractor which may lead to denial of service or the execution of arbitrary code if a specially crafted file is opened (CVE-2018-14346, CVE-2018-14347, CVE-2018-16430).

Record: MGASA-2018-0388
Updated: 2026-11-02

OSVUSN-4641-1 No score

libextractor vulnerabilities

It was discovered that Libextractor incorrectly handled zero sample rate. An attacker could possibly use this issue to cause a denial of service. (CVE-2017-15266)

It was discovered that Libextractor incorrectly handled certain FLAC metadata. An attacker could possibly use this issue to cause a denial of service. (CVE-2017-15267)

It was discovered that Libextractor incorrectly handled certain specially crafted files. An attacker could possibly use this issue to cause a denial of service. (CVE-2017-15600, CVE-2018-16430, CVE-2018-20430)

It was discovered that Libextractor incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. (CVE-2017-15601)

It was discovered that Libextractor incorrectly handled integers. An attacker could possibly use this issue to cause a denial of service. (CVE-2017-15602)

It was discovered that Libextractore incorrectly handled certain crafted files. An attacker could possibly use this issue to cause a denial of service. (CVE-2017-15922)

It was discovered tha Libextractor incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. (CVE-2017-17440)

It was discovered that Libextractor incorrectly handled certain malformed files. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-14346)

It was discovered that Libextractor incorrectly handled malformed files. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-14347)

It was discovered that Libextractor incorrectly handled metadata. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-20431)

Record: USN-4641-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`libextractor` Debian:12	before 1:1.7-1	1:1.7-1
`libextractor` Debian:13	before 1:1.7-1	1:1.7-1
`libextractor` Debian:14	before 1:1.7-1	1:1.7-1
`libextractor` Debian:8	before 1:1.3-2+deb8u2, plus listed versions 1:1.3-21:1.3-2+deb8u1	1:1.3-2+deb8u2
`libextractor` Debian:9	before 1:1.3-4+deb9u2, plus listed versions 1:1.3-41:1.3-4+deb9u1	1:1.3-4+deb9u2
`libextractor` Mageia:6	before 1.7-1.mga6	1.7-1.mga6
`libextractor` Ubuntu:Pro:14.04:LTS	before 1:1.3-1ubuntu0.1~esm1, plus listed versions 1:1.1-1ubuntu11:1.2-1ubuntu11:1.3-1	1:1.3-1ubuntu0.1~esm1
`libextractor` Ubuntu:16.04:LTS	before 1:1.3-4+deb9u3build0.16.04.1, plus listed versions 1:1.3-2build11:1.3-2ubuntu11:1.3-3	1:1.3-4+deb9u3build0.16.04.1
`libextractor` Ubuntu:18.04:LTS	All versions, plus listed versions 1:1.3-4build31:1.6-11:1.6-1build11:1.6-2	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2018-14346 is a high vulnerability (CVSS 8.8) in Gnu Libextractor, published July 17, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.11%, the 81st percentile. Fixed in libextractor 1:1.7-1.

References

Show 17 moreShow less