CVE-2026-112896

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Source
https://cve.org/CVERecord?id=CVE-2026-112896
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-112896.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-112896
Aliases
Downstream
CGA (54)
CLSA (3)
DEBIAN (1)
Published
2026-10-19T21:59:17Z
Modified
2026-10-21T09:40:06Z
Severity
  • 8.8 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
Pillow: TIFF encoder ColorMap plane-size mismatch causes a heap out-of-bounds read
Details

Pillow is a Python imaging library. Prior to 13.0.0, Pillow's TIFF encoder can read beyond a ColorMap buffer when retained TIFF metadata has a plane size inconsistent with BitsPerSample. A small TIFF can be opened normally and then retain a crafted ColorMap that is reused when the image is saved. An application that re-encodes the attacker's TIFF with libtiff can trigger the out-of-bounds read. This can disclose heap memory in the output or crash the process. This issue is fixed in version 13.0.0.

Database specific 
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-125"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112896.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "fixed":  "13.0.0"
                        }
                    ],
                    "source":  "AFFECTED_FIELD",
                    "strategy":  "StringRangeExpression"
                }
            ]
        },
        {
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "fixed":  "13.0.0"
                        },
                        {
                            "fixed":  "13.0.0"
                        }
                    ],
                    "source":  "DESCRIPTION"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/python-pillow/pillow

Affected ranges

Type
GIT
Repo
https://github.com/python-pillow/pillow
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
d03dc3c587a9b0bdc9e4304d70d59a635a87b742
Fixed
293218ad059d994baf1777d882911bed6a49704a
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "fixed":  "d03dc3c587a9b0bdc9e4304d70d59a635a87b742"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        },
        {
            "original_tag":  "13.0.0",
            "range":  [
                {
                    "fixed":  "293218ad059d994baf1777d882911bed6a49704a"
                }
            ],
            "source":  "REFERENCES_TAG"
        }
    ]
}

Affected versions

1.*
1.0
1.2
1.7.7
1.7.8
10.*
10.0.0
10.1.0
10.2.0
10.3.0
10.4.0
11.*
11.0.0
11.1.0
11.2.1
11.3.0
12.*
12.0.0
12.1.0
12.2.0
12.3.0
2.*
2.0.0
2.1.0
2.2.0
2.2.1
2.3.0
2.5.0
2.7.0
2.8.0
2.8.1
2.9.0
2.9.0.dev0
2.9.0.dev1
2.9.0.dev2
3.*
3.1.0
3.1.0-rc1
3.2.0
3.3.0
3.4.0
4.*
4.0.0
4.0.0a
4.1.0
4.2.0
4.3.0
5.*
5.0.0
5.1.0
5.2.0
5.3.0
5.4.0
6.*
6.0.0
6.1.0
6.2.0
7.*
7.0.0
7.1.0
7.2.0
8.*
8.0.0
8.1.0
8.2.0
8.3.0
8.4.0
9.*
9.0.0
9.1.0
9.2.0
9.3.0
9.4.0
9.5.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-112896.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "139866555655869194362188750479426904228",
            "length":  7664
        },
        "id":  "CVE-2026-112896-606366a7",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/python-pillow/pillow/commit/d03dc3c587a9b0bdc9e4304d70d59a635a87b742",
        "target":  {
            "file":  "src/encode.c",
            "function":  "PyImaging_LibTiffEncoderNew"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
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                "60935701479658185645753894944650191642",
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                "132259914308561545897836904661970549950",
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                "84517620514724866105651765720208048395",
                "85123425676955862524451798965333453075"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2026-112896-9f126aa2",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/python-pillow/pillow/commit/d03dc3c587a9b0bdc9e4304d70d59a635a87b742",
        "target":  {
            "file":  "src/encode.c"
        }
    }
]
vanir_signatures_modified 
"2026-10-21T09:40:06Z"