Description
The png_set_text_2 function in libpng 0.71 before 1.0.67, 1.2.x before 1.2.57, 1.4.x before 1.4.20, 1.5.x before 1.5.28, and 1.6.x before 1.6.27 allows context-dependent attackers to cause a NULL pointer dereference vectors involving loading a text chunk into a png structure, removing the text, and then adding another text chunk to the structure.
References (8)
Core 8
Core References
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201701-74
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3712-1/
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/12/30/4
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/95157
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3712-2/
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/12/29/2
Mailing List mailing-list
x_refsource_mlist
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
Mailing List mailing-list
x_refsource_mlist
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
Scores
CVSS v3
7.5
EPSS
0.0552
EPSS Percentile
91.8%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (50)
libpng/libpng
0.8
libpng/libpng
0.71
libpng/libpng
0.81
libpng/libpng
0.82
libpng/libpng
0.85
libpng/libpng
0.86
libpng/libpng
0.87
libpng/libpng
0.88
libpng/libpng
0.89
libpng/libpng
0.89c
... and 40 more
Published
Jan 30, 2017
Tracked Since
Feb 18, 2026