CVE-2026-37532 json
AGL agl-service-can-low-level thru 17.1.12 contains a heap buffer over-read in the isotp-c library.
published 2026-05-01 6 mo ago modified 2026-11-08 16 h ago also EUVD-2026-26686
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 14%
- public exploits
- 0
- none known
Summary
AGL agl-service-can-low-level thru 17.1.12 contains a heap buffer over-read in the isotp-c library. In isotp_continue_receive (receive.c:87-89), the payload_length for a Single Frame is extracted from a 4-bit nibble in the CAN frame data, yielding values 0-15. However, a standard CAN frame is only 8 bytes, with payload starting at data[1] (7 bytes available). When payload_length exceeds the available data (e.g., nibble=15 but only 7 payload bytes exist), memcpy(message.payload, &data[1], payload_length) reads up to 8 bytes past the end of the data buffer.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 6 mo ago
Exploit prediction
0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.1 | CVSS:3.1/AC:L/AV:A/A:H/C:L/I:N/PR:N/S:U/UI:N |
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H |
Classification
- Weakness
-
- CWE-126 Buffer Over-read
References
-
gerrit.automotivelinux.org
/gerrit/apps/agl-service-can-low-level
broken-link
-
gist.github.com
/sgInnora/8526eedcfd826d05ef1fc45d8f405643
third-party-advisory
Sources
- CVE List CVE-2026-37532
- NVD CVE-2026-37532
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.