CVE-2019-6129

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.

CVSS v3.1

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v3.0

6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS

1.39% chance of exploitation in the next 30 days, 70th percentile

Published

2019-01-11

Updated

2026-05-28

Proof-of-concept exploits (1)

• glennrp/libpng/issues/269

References

• CVE Record
• NVD entry

Related

• CVE-2019-17371
• CVE-2019-6128
• CVE-2019-6132
• CVE-2019-6122
• CVE-2019-6136
• CVE-2019-6121