CVE-2026-112395: Pillow tiled-TIFF decoder reads past tile buffer in copy4 (Unpack.c:1290)
Noroxi assessment
Priority: Monitor (action score 32/100)
- The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
- Probability of exploitation in the next 30 days: 0.51% (FIRST EPSS).
- Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
- According to CISA the attack is automatable: targets can be found by mass scanning.
- Fixed version: python-pillow Pillow 13.0.0.
Low priority for now. Upgrade to python-pillow Pillow 13.0.0 or later.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
Primary sources: NVD · CVE.org · FIRST EPSS
Pillow is a Python imaging library. From 8.2.0 until 13.0.0, Pillow's tiled-TIFF decoder can read past the tile buffer while copying four-byte pixels. In _decodeTile, libtiff can return a tile allocation smaller than the required row stride multiplied by the tile length, and Pillow's stride-and-copy loop walks beyond that allocation. An attacker can supply a crafted tiled TIFF to an application that loads it. This can expose adjacent heap data in pixels or crash the process. This issue is fixed in version 13.0.0.
- Published
- Oct 19, 2026
- Updated
- Oct 28, 2026
- EPSS
- 0.5% · 44th percentile
- CWE
- CWE-122
Report tools
Action score
32
Low priority for now.
- CVSS
- 32 / 40 · 8.2 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.5%
CISA SSVC decision
- Exploitation
- proof of concept
- Automatable
- yes
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 8.2
- CNA · GitHub_M
- 6.5
- 1.7 point gap
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Get told when this record changes
- Not in KEV: no record of exploitation in the wild
- No public exploit code on record
- A fix has been released
If any of these changes, we'll tell you in the daily email digest.
Is your version affected? Check itNoroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
| Vendor | Product | CPE |
|---|---|---|
| python | pillow | cpe:2.3:a:python:pillow |
Versions reported by the vendor
Affected version ranges reported by the assigning authority (GitHub_M). Independent of NVD's CPE analysis and usually ahead of it.
python-pillow Pillow
- >= 8.2.0, < 13.0.0affected
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- python pillow8.2.0 and later · before 13.0.0
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | pillow | from 0 | — |
| openSUSE:Leap 16.0 | python-Pillow | before 11.3.0-160000.9.1 | 11.3.0-160000.9.1 |
| PyPI | pillow | from 8.2.0 · before 13.0.0 | 13.0.0 |
| SUSE:Linux Enterprise Module for Python 3 15 SP7 | python-Pillow | before 9.5.0-150400.5.28.1 | 9.5.0-150400.5.28.1 |
| SUSE:Linux Enterprise Server 16.0 | python-Pillow | before 11.3.0-160000.9.1 | 11.3.0-160000.9.1 |
Same product
python: all recordsOther highest-scoring records for the same primary product.
- CVE-2014-3007Python Image Library (PIL) 1.1.7 and earlier and Pillow 2.3 might allow remote attackers to execute arbitrary commands via shell…43Plan
- CVE-2016-4009Integer overflow in the ImagingResampleHorizontal function in libImaging/Resample.c in Pillow before 3.1.1 allows remote attackers to have…41Plan
- CVE-2022-30595libImaging/TgaRleDecode.c in Pillow 9.1.0 has a heap buffer overflow in the processing of invalid TGA image files.40Plan
Published before and after this one in the same product
- ← EarlierCVE-2026-112393Oct 19, 2026 · Pillow: Heap buffer overflow in _tiffWriteProc when saving TIFF to BytesIO36Monitor
- ← EarlierCVE-2026-112394Oct 19, 2026 · Pillow: P;2L and P;4L decoders may read 1 to 3 bytes past the passed buffer size25Monitor
- Later →CVE-2026-112392Oct 19, 2026 · Pillow: NULL dereference in ImagingExpand via rank filters on zero-size images32Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| python-pillow Pillow | 13.0.0 · description | Vendor (CNA) |
| opensuse:python-Pillow | 11.3.0-160000.9.1 · openSUSE:Leap 16.0 | Package registry (OSV) |
| PyPI:pillow | 13.0.0 | Package registry (OSV) |
| suse:python-Pillow | 11.3.0-160000.9.1 · SUSE:Linux Enterprise Server 16.0 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- Published
- Fix recordedsame day
- TodayNov 13, 2026+25 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2026-1123930 days apartPillow: Heap buffer overflow in _tiffWriteProc when saving TIFF to BytesIO36Monitor
- CVE-2026-1123980 days apartPillow: Heap buffer overflow in FlashPix (FPX) JPEG decoding leads to code execution36Monitor
- CVE-2026-1124030 days apartPillow: Heap buffer overflow in ImagingJpegDecode36Monitor
- CVE-2025-48379475 days apartPillow Vulnerable to Write Buffer Overflow on BCn encoding22Monitor
- CVE-2026-42309163 days apartPillow: Heap buffer overflow with nested list coordinates20Monitor
Not on record for this CVE: researcher credit · public bounty program.
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- low · data can be read
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- Low
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
CWE-122 · Heap-based Buffer OverflowCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
—
Change log
- SSVC exploitation— → poc
- CVSS6.5 → 8.2
- Severitymedium → high
- Exploit maturity— → none
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
Show all references (1 more)Show less
Vendor advisories and official records. Exploit/PoC links are deliberately left out.