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CVE-2025-2998

PyTorch torch.nn.utils.rnn.pad_packed_sequence memory corruption

4.8 MediumFix available

A vulnerability was found in PyTorch 2.6.0. It has been declared as critical. Affected by this vulnerability is the function torch.nn.utils.rnn.pad_packed_sequence. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

0.20%Up 0.2 points since Apr 1, 2025
90%50%10%1%

What each source reports

CVE List Score used 4.8

PyTorch torch.nn.utils.rnn.pad_packed_sequence memory corruption

A vulnerability was found in PyTorch 2.6.0. It has been declared as critical. Affected by this vulnerability is the function torch.nn.utils.rnn.pad_packed_sequence. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

Record
CVE-2025-2998
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 3.0
5.3 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 2.0
4.3 AV:L/AC:L/Au:S/C:P/I:P/A:P
Weakness
CWE-119
Updated
2026-11-02
EUVDEUVD-2025-8748 4.8

A vulnerability was found in PyTorch 2.6.0. It has been declared as critical. Affected by this vulnerability is the function torch.nn.utils.rnn.pad_packed_sequence. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

Record
EUVD-2025-8748
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-f4hp-rmr7-r7v8 4.8

PyTorch is Vulnerable to Memory Consumption through pad_packed_sequence Function

A vulnerability was found in PyTorch 2.6.0. It has been declared as critical. Affected by this vulnerability is the function torch.nn.utils.rnn.pad_packed_sequence. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

Record
GHSA-f4hp-rmr7-r7v8
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness
CWE-119
Updated
2026-11-02
NVD 4.8

A vulnerability was found in PyTorch 2.6.0. It has been declared as critical. Affected by this vulnerability is the function torch.nn.utils.rnn.pad_packed_sequence. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

Record
CVE-2025-2998
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 2.0
4.3 MediumAV:L/AC:L/Au:S/C:P/I:P/A:P
Weakness
CWE-119
Updated
2026-11-02
OSV 4.8

PyTorch torch.nn.utils.rnn.pad_packed_sequence memory corruption

A vulnerability was found in PyTorch 2.6.0. It has been declared as critical. Affected by this vulnerability is the function torch.nn.utils.rnn.pad_packed_sequence. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

Record
CVE-2025-2998
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-119
Updated
2026-11-02
OSVDEBIAN-CVE-2025-2998 4.8

A vulnerability was found in PyTorch 2.6.0. It has been declared as critical. Affected by this vulnerability is the function torch.nn.utils.rnn.pad_packed_sequence. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

Record
DEBIAN-CVE-2025-2998
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Updated
2026-11-02
Show 4 moreShow less
OSVGHSA-f4hp-rmr7-r7v8 4.8

PyTorch is Vulnerable to Memory Consumption through pad_packed_sequence Function

A vulnerability was found in PyTorch 2.6.0. It has been declared as critical. Affected by this vulnerability is the function torch.nn.utils.rnn.pad_packed_sequence. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

Record
GHSA-f4hp-rmr7-r7v8
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness
CWE-119
Updated
2026-11-02
OSVPYSEC-2025-192 4.8

A vulnerability was found in PyTorch 2.6.0. It has been declared as critical. Affected by this vulnerability is the function torch.nn.utils.rnn.pad_packed_sequence. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

Record
PYSEC-2025-192
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Updated
2026-11-02
OSVUBUNTU-CVE-2025-2998 4.8

A vulnerability was found in PyTorch 2.6.0. It has been declared as critical. Affected by this vulnerability is the function torch.nn.utils.rnn.pad_packed_sequence. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

Record
UBUNTU-CVE-2025-2998
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated
2026-11-02
OSVBIT-pytorch-2025-2998 No score

PyTorch torch.nn.utils.rnn.pad_packed_sequence memory corruption

A vulnerability was found in PyTorch 2.6.0. It has been declared as critical. Affected by this vulnerability is the function torch.nn.utils.rnn.pad_packed_sequence. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

Record
BIT-pytorch-2025-2998
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
torch
PyPI
 through 2.6.0 None known
pytorch
Bitnami
 2.6.0 up to 2.7.0
2.7.0
pytorch
Debian:12
 All versions, plus listed versions
1.13.1+dfsg-41.13.1+dfsg-52.0.1+dfsg-12.0.1+dfsg-1~exp12.0.1+dfsg-2
Show 33 moreShow less
2.0.1+dfsg-42.0.1+dfsg-52.1.2+dfsg-12.1.2+dfsg-22.1.2+dfsg-42.12.0+dfsg2-12.12.0+dfsg2-1~exp12.12.0+dfsg2-1~exp22.12.0+dfsg2-22.12.0+dfsg2-32.12.0+dfsg2-42.12.1+dfsg-12.4.1-12.4.1-32.4.1-42.5.0+dfsg-12.5.1+dfsg-12.5.1+dfsg-32.5.1+dfsg-42.6.0+dfsg-12.6.0+dfsg-1~exp12.6.0+dfsg-22.6.0+dfsg-32.6.0+dfsg-42.6.0+dfsg-52.6.0+dfsg-72.6.0+dfsg-82.6.0+dfsg-92.6.0~rc9+dfsg-1~exp12.9.0+dfsg-1~exp12.9.0+dfsg-1~exp22.9.1+dfsg-1~exp12.9.1+dfsg-1~exp2
 None known
pytorch
Debian:13
 All versions, plus listed versions
2.12.0+dfsg2-12.12.0+dfsg2-1~exp12.12.0+dfsg2-1~exp22.12.0+dfsg2-22.12.0+dfsg2-3
Show 9 moreShow less
2.12.0+dfsg2-42.12.1+dfsg-12.6.0+dfsg-72.6.0+dfsg-82.6.0+dfsg-92.9.0+dfsg-1~exp12.9.0+dfsg-1~exp22.9.1+dfsg-1~exp12.9.1+dfsg-1~exp2
 None known
pytorch
Debian:14
 before 2.12.0+dfsg2-1, plus listed versions
2.12.0+dfsg2-1~exp12.12.0+dfsg2-1~exp22.6.0+dfsg-72.6.0+dfsg-82.6.0+dfsg-9
Show 4 moreShow less
2.9.0+dfsg-1~exp12.9.0+dfsg-1~exp22.9.1+dfsg-1~exp12.9.1+dfsg-1~exp2
2.12.0+dfsg2-1
torch
PyPI
 through 2.6.0, plus listed versions
1.0.01.0.11.1.01.10.01.10.1
Show 33 moreShow less
1.10.21.11.01.12.01.12.11.13.01.13.11.2.01.3.01.3.11.4.01.5.01.5.11.6.01.7.01.7.11.8.01.8.11.9.01.9.12.0.02.0.12.1.02.1.12.1.22.2.02.2.12.2.22.3.02.3.12.4.02.4.12.5.02.5.1
 None known
torch
PyPI
 through 2.6.0-NA None known
pytorch
Ubuntu:22.04:LTS
 All versions, plus listed versions
1.7.1-71.8.1-4
 None known
pytorch
Ubuntu:25.10
 All versions, plus listed versions
2.6.0+dfsg-5build12.6.0+dfsg-7
 None known
pytorch
Ubuntu:26.10
 All versions, plus listed versions
2.9.1+dfsg-1~exp1ubuntu22.12.1+dfsg-1
 None known
pytorch
Ubuntu:26.04:LTS
 All versions, plus listed versions
2.6.0+dfsg-72.6.0+dfsg-92.9.1+dfsg-1~exp1ubuntu2
 None known

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-2998 is a medium vulnerability (CVSS 4.8) in Linuxfoundation Pytorch, published March 31, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 10th percentile. Fixed in pytorch 2.7.0.

References

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