{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"important"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for libpng16","title":"Title of the patch"},{"category":"description","text":"This update for libpng16 fixes the following issues:\n\n- CVE-2025-66293: Fixed out-of-bounds read in png_image_read_composite (bsc#1254480).\n- CVE-2025-64505: Fixed heap buffer over-read in `png_do_quantize` via malformed palette index (bsc#1254157).\n- CVE-2025-64506: Fixed heap buffer over-read in `png_write_image_8bit` with 8-bit input and `convert_to_8bit` enabled (bsc#1254158).\n- CVE-2025-64720: Fixed buffer overflow in `png_image_read_composite` via incorrect palette premultiplication (bsc#1254159).\n- CVE-2025-65018: Fixed heap buffer overflow in `png_combine_row` triggered via `png_image_finish_read` (bsc#1254160).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-SLE-Micro-6.0-536","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/suse-su-2025_21217-1.json"},{"category":"self","summary":"URL for SUSE-SU-2025:21217-1","url":"https://www.suse.com/support/update/announcement/2025/suse-su-202521217-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2025:21217-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2025-December/023593.html"},{"category":"self","summary":"SUSE Bug 1254157","url":"https://bugzilla.suse.com/1254157"},{"category":"self","summary":"SUSE Bug 1254158","url":"https://bugzilla.suse.com/1254158"},{"category":"self","summary":"SUSE Bug 1254159","url":"https://bugzilla.suse.com/1254159"},{"category":"self","summary":"SUSE Bug 1254160","url":"https://bugzilla.suse.com/1254160"},{"category":"self","summary":"SUSE Bug 1254480","url":"https://bugzilla.suse.com/1254480"},{"category":"self","summary":"SUSE CVE CVE-2025-64505 page","url":"https://www.suse.com/security/cve/CVE-2025-64505/"},{"category":"self","summary":"SUSE CVE CVE-2025-64506 page","url":"https://www.suse.com/security/cve/CVE-2025-64506/"},{"category":"self","summary":"SUSE CVE CVE-2025-64720 page","url":"https://www.suse.com/security/cve/CVE-2025-64720/"},{"category":"self","summary":"SUSE CVE CVE-2025-65018 page","url":"https://www.suse.com/security/cve/CVE-2025-65018/"},{"category":"self","summary":"SUSE CVE CVE-2025-66293 page","url":"https://www.suse.com/security/cve/CVE-2025-66293/"}],"title":"Security update for libpng16","tracking":{"current_release_date":"2025-12-16T08:31:52Z","generator":{"date":"2025-12-16T08:31:52Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2025:21217-1","initial_release_date":"2025-12-16T08:31:52Z","revision_history":[{"date":"2025-12-16T08:31:52Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"libpng16-16-1.6.43-2.1.aarch64","product":{"name":"libpng16-16-1.6.43-2.1.aarch64","product_id":"libpng16-16-1.6.43-2.1.aarch64"}}],"category":"architecture","name":"aarch64"},{"branches":[{"category":"product_version","name":"libpng16-16-1.6.43-2.1.s390x","product":{"name":"libpng16-16-1.6.43-2.1.s390x","product_id":"libpng16-16-1.6.43-2.1.s390x"}}],"category":"architecture","name":"s390x"},{"branches":[{"category":"product_version","name":"libpng16-16-1.6.43-2.1.x86_64","product":{"name":"libpng16-16-1.6.43-2.1.x86_64","product_id":"libpng16-16-1.6.43-2.1.x86_64"}}],"category":"architecture","name":"x86_64"},{"branches":[{"category":"product_name","name":"SUSE Linux Micro 6.0","product":{"name":"SUSE Linux Micro 6.0","product_id":"SUSE Linux Micro 6.0","product_identification_helper":{"cpe":"cpe:/o:suse:sl-micro:6.0"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"libpng16-16-1.6.43-2.1.aarch64 as component of SUSE Linux Micro 6.0","product_id":"SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.aarch64"},"product_reference":"libpng16-16-1.6.43-2.1.aarch64","relates_to_product_reference":"SUSE Linux Micro 6.0"},{"category":"default_component_of","full_product_name":{"name":"libpng16-16-1.6.43-2.1.s390x as component of SUSE Linux Micro 6.0","product_id":"SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.s390x"},"product_reference":"libpng16-16-1.6.43-2.1.s390x","relates_to_product_reference":"SUSE Linux Micro 6.0"},{"category":"default_component_of","full_product_name":{"name":"libpng16-16-1.6.43-2.1.x86_64 as component of SUSE Linux Micro 6.0","product_id":"SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.x86_64"},"product_reference":"libpng16-16-1.6.43-2.1.x86_64","relates_to_product_reference":"SUSE Linux Micro 6.0"}]},"vulnerabilities":[{"cve":"CVE-2025-64505","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2025-64505"}],"notes":[{"category":"general","text":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to version 1.6.51, a heap buffer over-read vulnerability exists in libpng's png_do_quantize function when processing PNG files with malformed palette indices. The vulnerability occurs when palette_lookup array bounds are not validated against externally-supplied image data, allowing an attacker to craft a PNG file with out-of-range palette indices that trigger out-of-bounds memory access. This issue has been patched in version 1.6.51.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.aarch64","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.s390x","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2025-64505","url":"https://www.suse.com/security/cve/CVE-2025-64505"},{"category":"external","summary":"SUSE Bug 1254157 for CVE-2025-64505","url":"https://bugzilla.suse.com/1254157"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.aarch64","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.s390x","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":6.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","version":"3.1"},"products":["SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.aarch64","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.s390x","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.x86_64"]}],"threats":[{"category":"impact","date":"2025-12-16T08:31:52Z","details":"moderate"}],"title":"CVE-2025-64505"},{"cve":"CVE-2025-64506","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2025-64506"}],"notes":[{"category":"general","text":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, a heap buffer over-read vulnerability exists in libpng's png_write_image_8bit function when processing 8-bit images through the simplified write API with convert_to_8bit enabled. The vulnerability affects 8-bit grayscale+alpha, RGB/RGBA, and images with incomplete row data. A conditional guard incorrectly allows 8-bit input to enter code expecting 16-bit input, causing reads up to 2 bytes beyond allocated buffer boundaries. This issue has been patched in version 1.6.51.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.aarch64","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.s390x","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2025-64506","url":"https://www.suse.com/security/cve/CVE-2025-64506"},{"category":"external","summary":"SUSE Bug 1254158 for CVE-2025-64506","url":"https://bugzilla.suse.com/1254158"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.aarch64","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.s390x","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":6.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","version":"3.1"},"products":["SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.aarch64","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.s390x","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.x86_64"]}],"threats":[{"category":"impact","date":"2025-12-16T08:31:52Z","details":"moderate"}],"title":"CVE-2025-64506"},{"cve":"CVE-2025-64720","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2025-64720"}],"notes":[{"category":"general","text":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, an out-of-bounds read vulnerability exists in png_image_read_composite when processing palette images with PNG_FLAG_OPTIMIZE_ALPHA enabled. The palette compositing code in png_init_read_transformations incorrectly applies background compositing during premultiplication, violating the invariant component ≤ alpha x 257 required by the simplified PNG API. This issue has been patched in version 1.6.51.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.aarch64","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.s390x","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2025-64720","url":"https://www.suse.com/security/cve/CVE-2025-64720"},{"category":"external","summary":"SUSE Bug 1254159 for CVE-2025-64720","url":"https://bugzilla.suse.com/1254159"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.aarch64","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.s390x","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":6.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","version":"3.1"},"products":["SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.aarch64","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.s390x","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.x86_64"]}],"threats":[{"category":"impact","date":"2025-12-16T08:31:52Z","details":"moderate"}],"title":"CVE-2025-64720"},{"cve":"CVE-2025-65018","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2025-65018"}],"notes":[{"category":"general","text":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, there is a heap buffer overflow vulnerability in the libpng simplified API function png_image_finish_read when processing 16-bit interlaced PNGs with 8-bit output format. Attacker-crafted interlaced PNG files cause heap writes beyond allocated buffer bounds. This issue has been patched in version 1.6.51.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.aarch64","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.s390x","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2025-65018","url":"https://www.suse.com/security/cve/CVE-2025-65018"},{"category":"external","summary":"SUSE Bug 1254160 for CVE-2025-65018","url":"https://bugzilla.suse.com/1254160"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.aarch64","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.s390x","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":6.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","version":"3.1"},"products":["SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.aarch64","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.s390x","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.x86_64"]}],"threats":[{"category":"impact","date":"2025-12-16T08:31:52Z","details":"moderate"}],"title":"CVE-2025-65018"},{"cve":"CVE-2025-66293","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2025-66293"}],"notes":[{"category":"general","text":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to 1.6.52, an out-of-bounds read vulnerability in libpng's simplified API allows reading up to 1012 bytes beyond the png_sRGB_base[512] array when processing valid palette PNG images with partial transparency and gamma correction. The PNG files that trigger this vulnerability are valid per the PNG specification; the bug is in libpng's internal state management. Upgrade to libpng 1.6.52 or later.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.aarch64","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.s390x","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2025-66293","url":"https://www.suse.com/security/cve/CVE-2025-66293"},{"category":"external","summary":"SUSE Bug 1254480 for CVE-2025-66293","url":"https://bugzilla.suse.com/1254480"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.aarch64","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.s390x","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","version":"3.1"},"products":["SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.aarch64","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.s390x","SUSE Linux Micro 6.0:libpng16-16-1.6.43-2.1.x86_64"]}],"threats":[{"category":"impact","date":"2025-12-16T08:31:52Z","details":"important"}],"title":"CVE-2025-66293"}]}