CVE-2026-22695
LIBPNG has a heap buffer over-read in png_image_read_direct_scaled (regression from CVE-2025-65018 fix)
No known exploitation. EPSS puts it in the 13th percentile. Fixed in 1.6.54.
No public exploit knownFix1.6.54Upgrade to this build
e.g. OID 1.3.6.1.4.1.25623.1.0.118823
What to do
Find your product and version, then upgrade to the build on the right.
- Pnggroup LibpngAffected: < 1.6.54Upgrade to: not statedStated by: CVE record
- LibpngAffected: ≥ 1.6.51, < 1.6.54Upgrade to: 1.6.54Stated by: NVD
- ООО «РусБИТех-Астра» Astra Linux Special EditionAffected: 1.7Upgrade to: not statedStated by: BDU
- ООО «Ред Софт» РЕД ОСAffected: 8.0Upgrade to: not statedStated by: BDU
- Guy Eric Schalnat Andreas Dilger Glenn Randers-Pehrson libpngAffected: от 1.6.51 до 1.6.53 включительноUpgrade to: not statedStated by: BDU
Versions as the sources state them. 1 more product has version data. Full version matrix after sign-in
What it is
From the CVE record
LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.6.51 to 1.6.53, there is a heap buffer over-read in the libpng simplified API function png_image_finish_read when processing interlaced 16-bit PNGs with 8-bit output format and non-minimal row stride. This is a regression introduced by the fix for CVE-2025-65018. This vulnerability is fixed in 1.6.54.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.2% chance of exploitation activity in the next 30 days, which ranks it in the 13th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 164 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
And 1 more affected product. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Scored 6.1 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality LowSome restricted information is disclosed, but limited in scope
- Integrity NoneNo integrity impact
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
References in the record
- github.com/pnggroup/libpng/commit/218612ddd6b17944e21eda56caf8b4bf7779d1ea
- github.com/pnggroup/libpng/commit/e4f7ad4ea2
- github.com/pnggroup/libpng/issues/778
And 8 more references. See all after sign-in
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