Medium
Security advisory
In libpng 1.6.34, a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c) may trigger an integer overflow and resultant divide-by-zero while processing a crafted PNG file, leading to a denial of service.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-13785
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 09:12 UTC · Revision 1
Source evidence
In libpng 1.6.34, a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c) may trigger an integer overflow and resultant divide-by-zero while processing a crafted PNG file, leading to a denial of service.
osv:CVE-2018-13785
Complete source record
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"title": "CVE-2018-13785",
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"references": [
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"https://access.redhat.com/errata/RHSA-2018:3007",
"https://access.redhat.com/errata/RHSA-2018:3008",
"https://access.redhat.com/errata/RHSA-2018:3533",
"https://access.redhat.com/errata/RHSA-2018:3534",
"https://access.redhat.com/errata/RHSA-2018:3671",
"https://access.redhat.com/errata/RHSA-2018:3672",
"https://access.redhat.com/errata/RHSA-2018:3779",
"https://access.redhat.com/errata/RHSA-2018:3852",
"https://security.gentoo.org/glsa/201908-10",
"https://security.netapp.com/advisory/ntap-20181018-0001/",
"https://sourceforge.net/p/libpng/bugs/278/",
"https://usn.ubuntu.com/3712-1/",
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