Security update for libpng16
This update for libpng16 fixes the following issue: - CVE-2026-46675: Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression (bsc#1283183). Changes for libpng16: - version update to 1.6.59: * Fixed CVE-2026-46675 (medium severity): Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression. (Reported independently by Ze Sheng and .) * Fixed a regression introduced in version 1.6.47 that caused libpng to reject hIST chunks in their correct position, after PLTE. (Contributed by Yuki Sekiguchi.) * Prevented a double free of `png_struct` members after an allocation failure. (Contributed by Anthony Hurtado.) * Applied fixes and updates to the CMake build. * Adopted the REUSE Specification for licensing the CI files.
- Products
- libpng16
- Affected versions
- Not specified
- Fixed versions
- 1.6.59-160000.1.1
- CVEs
- CVE-2026-46675
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 15:32 UTC · Revision 1
Source evidence
This update for libpng16 fixes the following issue: - CVE-2026-46675: Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression (bsc#1283183). Changes for libpng16: - version update to 1.6.59: * Fixed CVE-2026-46675 (medium severity): Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression. (Reported independently by Ze Sheng and .) * Fixed a regression introduced in version 1.6.47 that caused libpng to reject hIST chunks in their correct position, after PLTE. (Contributed by Yuki Sekiguchi.) * Prevented a double free of `png_struct` members after an allocation failure. (Contributed by Anthony Hurtado.) * Applied fixes and updates to the CMake build. * Adopted the REUSE Specification for licensing the CI files.
osv:SUSE-SU-2026:24228-1
libpng16
Fixed versions: 1.6.59-160000.1.1
libpng16
Fixed versions: 1.6.59-160000.1.1
Complete source record
{
"id": "ed7017c58093266df4e4b066919e4a039556f913a7142890849f3b84eda14894",
"url": "https://osv.dev/vulnerability/SUSE-SU-2026%3A24228-1",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Security update for libpng16",
"summary": "This update for libpng16 fixes the following issue: - CVE-2026-46675: Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression (bsc#1283183). Changes for libpng16: - version update to 1.6.59: * Fixed CVE-2026-46675 (medium severity): Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression. (Reported independently by Ze Sheng and .) * Fixed a regression introduced in version 1.6.47 that caused libpng to reject hIST chunks in their correct position, after PLTE. (Contributed by Yuki Sekiguchi.) * Prevented a double free of `png_struct` members after an allocation failure. (Contributed by Anthony Hurtado.) * Applied fixes and updates to the CMake build. * Adopted the REUSE Specification for licensing the CI files.",
"evidence": "osv:SUSE-SU-2026:24228-1",
"products": [
{
"name": {
"value": "libpng16",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.6.59-160000.1.1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libpng16",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.6.59-160000.1.1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "SUSE-SU-2026:24228-1",
"aliases": [
"SUSE-SU-2026:24228-1"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.59-160000.1.1"
}
]
}
],
"package": {
"name": "libpng16",
"purl": "pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Server%2016.0",
"ecosystem": "SUSE:Linux Enterprise Server 16.0"
},
"database_specific": {
"source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:24228-1.json"
},
"ecosystem_specific": {
"binaries": [
{
"libpng16-16": "1.6.59-160000.1.1",
"libpng16-devel": "1.6.59-160000.1.1",
"libpng16-tools": "1.6.59-160000.1.1",
"libpng16-16-x86-64-v3": "1.6.59-160000.1.1",
"libpng16-compat-devel": "1.6.59-160000.1.1",
"libpng16-devel-x86-64-v3": "1.6.59-160000.1.1",
"libpng16-compat-devel-x86-64-v3": "1.6.59-160000.1.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.59-160000.1.1"
}
]
}
],
"package": {
"name": "libpng16",
"purl": "pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0",
"ecosystem": "SUSE:Linux Enterprise Server for SAP applications 16.0"
},
"database_specific": {
"source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:24228-1.json"
},
"ecosystem_specific": {
"binaries": [
{
"libpng16-16": "1.6.59-160000.1.1",
"libpng16-devel": "1.6.59-160000.1.1",
"libpng16-tools": "1.6.59-160000.1.1",
"libpng16-16-x86-64-v3": "1.6.59-160000.1.1",
"libpng16-compat-devel": "1.6.59-160000.1.1",
"libpng16-devel-x86-64-v3": "1.6.59-160000.1.1",
"libpng16-compat-devel-x86-64-v3": "1.6.59-160000.1.1"
}
]
}
}
],
"modified": "2026-10-21T17:23:14.849097988Z",
"provider": "osv",
"upstream": [
"CVE-2026-46675"
],
"references": [
"https://www.suse.com/support/update/announcement/2026/suse-su-202624228-1/",
"https://bugzilla.suse.com/1283183",
"https://www.suse.com/security/cve/CVE-2026-46675"
]
},
"related_cves": [
{
"value": "CVE-2026-46675",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 397579,
"published_at": "2026-10-10T11:21:45+00:00"
}