Pillow: Heap use-after-free when encoding TIFF to an in-memory buffer
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| python-pillow | Pillow | affected |
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| Python-pillow | Pillow |
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Github GHSA |
GHSA-4rr5-89j8-mwwm | Pillow: Heap use-after-free when encoding TIFF to an in-memory buffer |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.694% probability within 30 days)
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Python
Python pillow |
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| CPEs | cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:* | |
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Python
Python pillow |
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ssvc
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| Weaknesses | CWE-825 | |
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threat_severity
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threat_severity
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Python-pillow
Python-pillow pillow |
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Python-pillow
Python-pillow pillow |
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| Description | Pillow is a Python imaging library. From 11.3.0 until 13.0.0, Pillow has a heap use-after-free when libtiff rejects a tag while encoding TIFF data to an in-memory buffer. When an application saves attacker-influenced TIFF tags to BytesIO, libtiff can reject a tag during encoding in ImagingLibTiffEncode; the error path then frees the output buffer without closing or clearing the TIFF handle, and later cleanup flushes through the write callback into freed memory, which can crash the process and may enable code execution. This issue is fixed in version 13.0.0. | |
| Title | Pillow: Heap use-after-free when encoding TIFF to an in-memory buffer | |
| Weaknesses | CWE-416 | |
| References |
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| Metrics |
cvssV3_1
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