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CVE-2019-6129

** DISPUTED ** png_create_info_struct in png.c in libpng 1.6.36 has a memory leak, as...

6.5 MediumFix availableDisputed

png_create_info_struct in png.c in libpng 1.6.36 has a memory leak, as demonstrated by pngcp. NOTE: a third party has stated "I don't think it is libpng's job to free this buffer.

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
None
Integrity
None
Availability
High

Exploit likelihood

1.59%Up 1.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List 6.5

png_create_info_struct in png.c in libpng 1.6.36 has a memory leak, as demonstrated by pngcp. NOTE: a third party has stated "I don't think it is libpng's job to free this buffer.

Record
CVE-2019-6129
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-401
Updated
2026-11-02
EUVDEUVD-2019-15696 6.5

png_create_info_struct in png.c in libpng 1.6.36 has a memory leak, as demonstrated by pngcp. NOTE: a third party has stated "I don't think it is libpng's job to free this buffer.

Record
EUVD-2019-15696
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-rrr4-g4q4-hgr3 6.5

** DISPUTED ** png_create_info_struct in png.c in libpng 1.6.36 has a memory leak, as...

** DISPUTED ** png_create_info_struct in png.c in libpng 1.6.36 has a memory leak, as demonstrated by pngcp. NOTE: a third party has stated "I don't think it is libpng's job to free this buffer."

Record
GHSA-rrr4-g4q4-hgr3
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-401
Updated
2026-11-02
NVD 6.5

png_create_info_struct in png.c in libpng 1.6.36 has a memory leak, as demonstrated by pngcp. NOTE: a third party has stated "I don't think it is libpng's job to free this buffer.

Record
CVE-2019-6129
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-401
Updated
2026-11-02
OSVBELL-CVE-2019-6129 6.5

CVE-2019-6129 does not affect BellSoft software

Record
BELL-CVE-2019-6129
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSV 6.5

png_create_info_struct in png.c in libpng 1.6.36 has a memory leak, as demonstrated by pngcp. NOTE: a third party has stated "I don't think it is libpng's job to free this buffer.

Record
CVE-2019-6129
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2019-6129 6.5

png_create_info_struct in png.c in libpng 1.6.36 has a memory leak, as demonstrated by pngcp. NOTE: a third party has stated "I don't think it is libpng's job to free this buffer.

Record
DEBIAN-CVE-2019-6129
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2019-6129 6.5

png_create_info_struct in png.c in libpng 1.6.36 has a memory leak, as demonstrated by pngcp. NOTE: a third party has stated "I don't think it is libpng's job to free this buffer.

Record
UBUNTU-CVE-2019-6129
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2024:13577-1 No score

libpng16-16-1.6.40-2.1 on GA media

These are all security issues fixed in the libpng16-16-1.6.40-2.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:13577-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libpng1.6
Debian:12
 before 1.6.39-1
1.6.39-1
libpng1.6
Debian:13
 before 1.6.39-1
1.6.39-1
libpng1.6
Debian:14
 before 1.6.39-1
1.6.39-1
libpng
Ubuntu:Pro:14.04:LTS
 All versions, plus listed versions
1.2.49-4ubuntu11.2.49-5ubuntu11.2.50-1ubuntu11.2.50-1ubuntu21.2.50-1ubuntu2.14.04.1
Show 4 moreShow less
1.2.50-1ubuntu2.14.04.21.2.50-1ubuntu2.14.04.31.2.50-1ubuntu2.14.04.3+esm11.2.50-1ubuntu2.14.04.3+esm2
 None known
libpng
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
1.2.51-0ubuntu31.2.54-11.2.54-1ubuntu11.2.54-1ubuntu1.11.2.54-1ubuntu1.1+esm11.2.54-1ubuntu1.1+esm21.2.54-1ubuntu1.1+esm3
 None known
libpng1.6
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
1.6.20-21.6.20-2ubuntu0.1~esm11.6.20-2ubuntu0.1~esm21.6.20-2ubuntu0.1~esm31.6.20-2ubuntu0.1~esm41.6.20-2ubuntu0.1~esm5
 None known
libpng1.6
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
1.6.34-11.6.34-1ubuntu0.18.04.11.6.34-1ubuntu0.18.04.21.6.34-1ubuntu0.18.04.2+esm11.6.34-1ubuntu0.18.04.2+esm21.6.34-1ubuntu0.18.04.2+esm31.6.34-1ubuntu0.18.04.2+esm4
 None known
libpng16
openSUSE:Tumbleweed
 before 1.6.40-2.1
1.6.40-2.1

History

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

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

In short

CVE-2019-6129 is a medium vulnerability (CVSS 6.5) in Libpng, published January 11, 2019. Its validity is disputed. EPSS puts the chance of exploitation in the next 30 days at 1.59%, the 75th percentile. Fixed in libpng1.6 1.6.39-1.

References

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