SUSE-SU-2026:0598-1
Vulnerability from csaf_suse - Published: 2026-02-23 15:58 - Updated: 2026-02-23 15:58Summary
Security update for libpng12
Notes
Title of the patch
Security update for libpng12
Description of the patch
This update for libpng12 fixes the following issues:
- CVE-2026-25646: heap buffer overflow vulnerability in png_set_dither/png_set_quantize (bsc#1258020).
Patchnames
SUSE-2026-598,SUSE-SLE-SERVER-12-SP5-LTSS-2026-598,SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-598
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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"product_id": "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libpng12-devel-1.2.50-20.9.1.x86_64"
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"relates_to_product_reference": "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5"
}
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},
"vulnerabilities": [
{
"cve": "CVE-2026-25646",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-25646"
}
],
"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 1.6.55, an out-of-bounds read vulnerability exists in the png_set_quantize() API function. When the function is called with no histogram and the number of colors in the palette is more than twice the maximum supported by the user\u0027s display, certain palettes will cause the function to enter into an infinite loop that reads past the end of an internal heap-allocated buffer. The images that trigger this vulnerability are valid per the PNG specification. This vulnerability is fixed in 1.6.55.",
"title": "CVE description"
}
],
"product_status": {
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"references": [
{
"category": "external",
"summary": "CVE-2026-25646",
"url": "https://www.suse.com/security/cve/CVE-2026-25646"
},
{
"category": "external",
"summary": "SUSE Bug 1258020 for CVE-2026-25646",
"url": "https://bugzilla.suse.com/1258020"
}
],
"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",
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],
"scores": [
{
"cvss_v3": {
"baseScore": 7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H",
"version": "3.1"
},
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}
],
"threats": [
{
"category": "impact",
"date": "2026-02-23T15:58:31Z",
"details": "important"
}
],
"title": "CVE-2026-25646"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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