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CVE-2025-2151

Open Asset Import Library Assimp File ParsingUtils.h GetNextLine stack-based overflow

5.3 MediumFix available

A vulnerability classified as critical was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function Assimp::GetNextLine in the library ParsingUtils.h of the component File Handler. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Passive

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

0.59%Up 0.5 points since Mar 11, 2025
90%50%10%1%

What each source reports

CVE List Score used 5.3

Open Asset Import Library Assimp File ParsingUtils.h GetNextLine stack-based overflow

A vulnerability classified as critical was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function Assimp::GetNextLine in the library ParsingUtils.h of the component File Handler. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Record
CVE-2025-2151
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS 3.1
6.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS 3.0
6.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS 2.0
7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-121, CWE-119
Updated
2026-11-02
EUVDEUVD-2025-7295 5.3

A vulnerability classified as critical was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function Assimp::GetNextLine in the library ParsingUtils.h of the component File Handler. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Record
EUVD-2025-7295
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-rrc2-m8v6-jh7q 5.3

A vulnerability classified as critical was found in Open Asset Import Library Assimp 5.4.3. This...

A vulnerability classified as critical was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function Assimp::GetNextLine in the library ParsingUtils.h of the component File Handler. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Record
GHSA-rrc2-m8v6-jh7q
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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
6.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Weakness
CWE-119, CWE-787
Updated
2026-11-02
NVD 5.3

A vulnerability classified as critical was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function Assimp::GetNextLine in the library ParsingUtils.h of the component File Handler. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Record
CVE-2025-2151
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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
6.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-119, CWE-121, CWE-787
Updated
2026-11-02
OSV 5.3

Open Asset Import Library Assimp File ParsingUtils.h GetNextLine stack-based overflow

A vulnerability classified as critical was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function Assimp::GetNextLine in the library ParsingUtils.h of the component File Handler. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Record
CVE-2025-2151
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-119, CWE-121
Updated
2026-11-02
OSVDEBIAN-CVE-2025-2151 8.8

A vulnerability classified as critical was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function Assimp::GetNextLine in the library ParsingUtils.h of the component File Handler. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Record
DEBIAN-CVE-2025-2151
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 7 moreShow less
OSVOESA-2025-1328 6.3

assimp security update

Assimp is a library to load and process geometric scenes from various data formats. Assimp aims to provide a full asset conversion pipeline for use in game engines and real-time rendering systems of any kind, but is not limited to this purpose.

Security Fix(es):

A vulnerability classified as critical was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function Assimp::GetNextLine in the library ParsingUtils.h of the component File Handler. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.(CVE-2025-2151)

Record
OESA-2025-1328
CVSS 3.1
6.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Updated
2026-11-02
OSVPYSEC-2025-158 8.8

A vulnerability classified as critical was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function Assimp::GetNextLine in the library ParsingUtils.h of the component File Handler. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Record
PYSEC-2025-158
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2025-2151 5.3

A vulnerability classified as critical was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function Assimp::GetNextLine in the library ParsingUtils.h of the component File Handler. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Record
UBUNTU-CVE-2025-2151
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1
6.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Updated
2026-11-02
OSVopenSUSE-SU-2025:0113-1 No score

Security update for assimp

This update for assimp fixes the following issues:

  • CVE-2024-48425: Fixed SEGV in Assimp:SplitLargeMeshesProcess_Triangle:UpdateNode (boo#1232324)
  • CVE-2024-48423: Fixed a arbitrary code execution via CallbackToLogRedirector() (boo#1232322)
  • CVE-2024-48424: Fixed a heap-buffer-overflow in OpenDDLParser:parseStructure() (boo#1232323)
  • CVE-2024-53425: Fixed a heap-based buffer overflow in SkipSpacesAndLineEnd() (boo#1233633)
  • CVE-2025-2592: Fixed a heap-based buffer overflow in Assimp::CSMImporter::InternReadFile() (boo#1239916)
  • CVE-2025-3015: Fixed out-of-bounds read caused by manipulation of the argument mIndices (boo#1240412)
  • CVE-2025-3016: Fixed a denial of service caused by manipulation of the argument mWidth/mHeight (boo#1240413)
  • CVE-2025-2591: Fixed a denial of service in code/AssetLib/MDL/MDLLoader.cpp (boo#1239920)
  • CVE-2025-2151: Fixed a stack-based buffer overflow in Assimp::GetNextLine() (boo#1239220)
Record
openSUSE-SU-2025:0113-1
Updated
2026-11-02
OSVopenSUSE-SU-2025:14903-1 No score

assimp-devel-5.4.3-4.1 on GA media

These are all security issues fixed in the assimp-devel-5.4.3-4.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2025:14903-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:20781-1 No score

Security update for assimp

This update for assimp fixes the following issues

  • CVE-2025-2151: vulnerability affects the function Assimp: GetNextLine in the library ParsingUtils.h (bsc#1239220).
  • CVE-2025-2591: division by zero in code/AssetLib/MDL/MDLLoader.cpp (bsc#1239920).
  • CVE-2025-2592: heap-based buffer overflow in Assimp: CSMImporter: InternReadFile of code/AssetLib/CSM/CSMLoader.cpp (bsc#1239916).
  • CVE-2025-3015: manipulation of the argument mIndices leads to out-of-bounds read (bsc#1240412).
  • CVE-2025-3548: processing of malformed files may leads to an out-of-bounds read and potential application crash (bsc#1241367).
Record
openSUSE-SU-2026:20781-1
Updated
2026-11-02
OSVSUSE-SU-2026:21821-1 No score

Security update for assimp

This update for assimp fixes the following issues

  • CVE-2025-2151: vulnerability affects the function Assimp: GetNextLine in the library ParsingUtils.h (bsc#1239220).
  • CVE-2025-2591: division by zero in code/AssetLib/MDL/MDLLoader.cpp (bsc#1239920).
  • CVE-2025-2592: heap-based buffer overflow in Assimp: CSMImporter: InternReadFile of code/AssetLib/CSM/CSMLoader.cpp (bsc#1239916).
  • CVE-2025-3015: manipulation of the argument mIndices leads to out-of-bounds read (bsc#1240412).
  • CVE-2025-3548: processing of malformed files may leads to an out-of-bounds read and potential application crash (bsc#1241367).
Record
SUSE-SU-2026:21821-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
assimp
Debian:12
 All versions, plus listed versions
5.2.5~ds0-15.2.5~ds0-1.15.3.1+ds-15.3.1+ds-25.4.0+ds-1
Show 9 moreShow less
5.4.1+ds-15.4.2+ds-15.4.3+ds-25.4.3+ds-36.0.2+ds-16.0.3+ds-16.0.4+ds-16.0.4+ds-36.0.5+ds-1
 None known
assimp
Debian:13
 All versions, plus listed versions
5.4.3+ds-25.4.3+ds-36.0.2+ds-16.0.3+ds-16.0.4+ds-16.0.4+ds-36.0.5+ds-1
 None known
assimp
Debian:14
 before 6.0.2+ds-1, plus listed versions
5.4.3+ds-25.4.3+ds-3
6.0.2+ds-1
assimp
openEuler:24.03-LTS
 before 5.3.1-7.oe2403sp1
5.3.1-7.oe2403sp1
assimp
openEuler:24.03-LTS-SP1
 before 5.3.1-7.oe2403sp1
5.3.1-7.oe2403sp1
assimp
openEuler:20.03-LTS-SP4
 before 3.3.1-22.oe2003sp4
3.3.1-22.oe2003sp4
assimp
openEuler:22.03-LTS-SP3
 before 5.2.4-5.oe2203sp3
5.2.4-5.oe2203sp3
assimp
openEuler:22.03-LTS-SP4
 before 5.2.4-5.oe2203sp4
5.2.4-5.oe2203sp4
pyassimp
PyPI
 through 5.4.3, plus listed versions
0.13.34.1.14.1.24.1.34.1.45.2.5
 None known
assimp
Ubuntu:16.04:LTS
 All versions, plus listed versions
3.0~dfsg-4ubuntu43.1.1~dfsg-53.2~dfsg-13.2~dfsg-23.2~dfsg-3
 None known
Show 10 moreShow less
Affected packages
PackageAffectedFixed
assimp
Ubuntu:18.04:LTS
 All versions, plus listed versions
3.3.1~dfsg-53.3.1~dfsg-5ubuntu13.3.1~dfsg-5+build14.0.1~dfsg-1~exp24.0.1~dfsg-14.1.0~dfsg-14.1.0~dfsg-24.1.0~dfsg-3
 None known
assimp
Ubuntu:20.04:LTS
 All versions, plus listed versions
4.1.0~dfsg-54.1.0~dfsg-5ubuntu15.0.1~ds0-1build1
 None known
assimp
Ubuntu:22.04:LTS
 All versions, plus listed versions
5.0.1~ds0-25.0.1~ds0-3ubuntu15.1.4~ds0-15.1.5~ds0-15.1.6~ds0-15.2.0~ds0-25.2.1~ds0-15.2.2~ds0-1
 None known
assimp
Ubuntu:24.04:LTS
 All versions, plus listed versions
5.2.5~ds0-1.1build15.3.1+ds-15.3.1+ds-25.3.1+ds-2build1
 None known
assimp
Ubuntu:25.10
 All versions, plus listed versions
5.4.3+ds-2
 None known
assimp
Ubuntu:26.10
 All versions, plus listed versions
6.0.4+ds-1build16.0.5+ds-1
 None known
assimp
Ubuntu:26.04:LTS
 All versions, plus listed versions
5.4.3+ds-26.0.2+ds-16.0.3+ds-16.0.4+ds-16.0.4+ds-1build1
 None known
assimp
SUSE:Package Hub 15 SP6
From an advisory covering 9 CVEs
 before 5.3.1-bp156.3.9.1
5.3.1-bp156.3.9.1
assimp
openSUSE:Leap 15.6
From an advisory covering 9 CVEs
 before 5.3.1-bp156.3.9.1
5.3.1-bp156.3.9.1
assimp
openSUSE:Tumbleweed
 before 5.4.3-4.1
5.4.3-4.1

History

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

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

In short

CVE-2025-2151 is a medium vulnerability (CVSS 5.3) in Assimp, published March 10, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.59%, the 48th percentile. Fixed in assimp 6.0.2+ds-1.

References

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