Buffer overflow in Pytorch
CVE-2025-2999
A vulnerability was found in PyTorch 2.6.0. It has been rated as critical. Affected by this issue is the function torch.nn.utils.rnn.unpack_sequence. The manipulation leads to memory corruption. Attacking locally is a requirement. The expl…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (31.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- N/a Pytorch — versions 2.6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-302048 | PyTorch torch.nn.utils.rnn.unpack_sequence memory corruption (vdb-entry, technical-description)
- VDB-302048 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #524198 | pytorch pytorch (torch.nn.utils.rnn.unpack_sequence) torch 2.6.0 Segmentation fault (third-party-advisory)
- github.com/pytorch/pytorch/issues/149622 (issue-tracking)
- github.com/pytorch/pytorch/issues/149622 (exploit, issue-tracking)
Frequently asked questions
- What is CVE-2025-2999?
- CVE-2025-2999 is a medium-severity vulnerability in Pytorch, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2025-03-31.
- How severe is CVE-2025-2999?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2025-2999 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.