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CVE-2018-6358

The printDefineFont2 function (util/listfdb.c) in libming through 0.4.8 is vulnerable to a heap...

8.8 HighFix available

The printDefineFont2 function (util/listfdb.c) in libming through 0.4.8 is vulnerable to a heap-based buffer overflow, which may allow attackers to cause a denial of service or unspecified other impact via a crafted FDB file.

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

1.88%Up 0.8 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

The printDefineFont2 function (util/listfdb.c) in libming through 0.4.8 is vulnerable to a heap-based buffer overflow, which may allow attackers to cause a denial of service or unspecified other impact via a crafted FDB file.

Record
CVE-2018-6358
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

The printDefineFont2 function (util/listfdb.c) in libming through 0.4.8 is vulnerable to a heap-based buffer overflow, which may allow attackers to cause a denial of service or unspecified other impact via a crafted FDB file.

Record
CVE-2018-6358
Updated
2026-11-02
EUVDEUVD-2018-18115 No score

The printDefineFont2 function (util/listfdb.c) in libming through 0.4.8 is vulnerable to a heap-based buffer overflow, which may allow attackers to cause a denial of service or unspecified other impact via a crafted FDB file.

Record
EUVD-2018-18115
Updated
2026-11-03
GitHub AdvisoriesGHSA-67f2-hqc8-f72w 8.8

The printDefineFont2 function (util/listfdb.c) in libming through 0.4.8 is vulnerable to a heap...

The printDefineFont2 function (util/listfdb.c) in libming through 0.4.8 is vulnerable to a heap-based buffer overflow, which may allow attackers to cause a denial of service or unspecified other impact via a crafted FDB file.

Record
GHSA-67f2-hqc8-f72w
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

The printDefineFont2 function (util/listfdb.c) in libming through 0.4.8 is vulnerable to a heap-based buffer overflow, which may allow attackers to cause a denial of service or unspecified other impact via a crafted FDB file.

Record
CVE-2018-6358
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-2018-6358 8.8

The printDefineFont2 function (util/listfdb.c) in libming through 0.4.8 is vulnerable to a heap-based buffer overflow, which may allow attackers to cause a denial of service or unspecified other impact via a crafted FDB file.

Record
UBUNTU-CVE-2018-6358
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-2019-0137 No score

Updated ming packages fix security vulnerability

The printDefineFont2 function (util/listfdb.c) in libming through 0.4.8 is vulnerable to a heap-based buffer overflow, which may allow attackers to cause a denial of service or unspecified other impact via a crafted FDB file. (CVE-2018-6358)

There is a heap-based buffer overflow in the getString function of util/decompile.c in libming 0.4.8 during a RegisterNumber sprintf. A Crafted input will lead to a denial of service attack. (CVE-2018-7867)

There is a heap-based buffer over-read in the getName function of util/decompile.c in libming 0.4.8 for CONSTANT8 data. A Crafted input will lead to a denial of service attack. (CVE-2018-7868)

An invalid memory address dereference was discovered in getString in util/decompile.c in libming 0.4.8 for CONSTANT16 data. The vulnerability causes a segmentation fault and application crash, which leads to denial of service. (CVE-2018-7870)

There is a heap-based buffer over-read in the getName function of util/decompile.c in libming 0.4.8 for CONSTANT16 data. A crafted input will lead to a denial of service or possibly unspecified other impact. (CVE-2018-7871)

An invalid memory address dereference was discovered in the function getName in libming 0.4.8 for CONSTANT16 data. The vulnerability causes a segmentation fault and application crash, which leads to denial of service. (CVE-2018-7872)

There is a heap-based buffer over-read in the getString function of util/decompile.c in libming 0.4.8 for CONSTANT8 data. A Crafted input will lead to a denial of service attack. (CVE-2018-7875)

The pushdup function in util/decompile.c in libming through 0.4.8 does not recognize the need for ActionPushDuplicate to perform a deep copy when a String is at the top of the stack, making the library vulnerable to a util/decompile.c getName NULL pointer dereference, which may allow attackers to cause a denial of service via a crafted SWF file. (CVE-2018-9165)

Record
MGASA-2019-0137
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ming
Debian:7
before 1:0.4.4-1.1+deb7u8, plus listed versions
1:0.4.4-1.11:0.4.4-1.1+deb7u11:0.4.4-1.1+deb7u21:0.4.4-1.1+deb7u31:0.4.4-1.1+deb7u41:0.4.4-1.1+deb7u51:0.4.4-1.1+deb7u61:0.4.4-1.1+deb7u7
1:0.4.4-1.1+deb7u8
ming
Mageia:6
before 0.4.9-0.git20181112.1.mga6
0.4.9-0.git20181112.1.mga6
ming
Ubuntu:16.04:LTS
All versions, plus listed versions
1:0.4.5-1.2ubuntu21:0.4.5-1.2ubuntu51:0.4.5-1.2ubuntu61:0.4.5-1.2ubuntu7
None known

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-2018-6358 is a high vulnerability (CVSS 8.8) in Libming, published January 27, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.88%, the 79th percentile. Fixed in ming 1:0.4.4-1.1+deb7u8.

References

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