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CVE

CVE-2025-68137

EVerest's Integer Overflow and Signed to Unsigned conversion lead to either stack buffer overflow or infinite loop
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CVE

CVE-2025-68137

EVerest's Integer Overflow and Signed to Unsigned conversion lead to either stack buffer overflow or infinite loop

EVerest is an EV charging software stack. Prior to version 2025.10.0, an integer overflow occurring in SdpPacket::parse_header() allows the current buffer length to be set to 7 after a complete header of size 8 has been read. The remaining length to read is computed using the current length subtracted by the header length which results in a negative value. This value is then interpreted as SIZE_MAX (or slightly less) because the expected type of the argument is size_t. Depending on whether the server is plain TCP or TLS, this leads to either an infinite loop or a stack buffer overflow. Version 2025.10.0 fixes the issue.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
8.3
-
3.1
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68137.json, https://github.com/EVerest/everest-core/security/advisories/GHSA-7qq4-q9r8-wc7w, https://nvd.nist.gov/vuln/detail/CVE-2025-68137

Severity

8.3

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
8.3
EPSS Probability
0.00026%
EPSS Percentile
0.06855%
Introduced Version
0
Fix Available
c86cd9c0ada60b5797f574fd484eae4d8330017d

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