7.5
CVE-2026-86716
- EPSS 0.35%
- Veröffentlicht 08.09.2026 19:20:17
- Zuletzt bearbeitet 08.09.2026 20:18:53
- Erkennungen
Cesanta mJS mjs_tok.c skip_spaces_and_comments heap-based overflow
A vulnerability was determined in Cesanta mJS up to 1.26. Affected is the function skip_spaces_and_comments of the file src/mjs_tok.c. Executing a manipulation can lead to heap-based buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerCesanta
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Produkt
mJS
Version
1.0
Status
affected
Version
1.1
Status
affected
Version
1.2
Status
affected
Version
1.3
Status
affected
Version
1.4
Status
affected
Version
1.5
Status
affected
Version
1.6
Status
affected
Version
1.7
Status
affected
Version
1.8
Status
affected
Version
1.9
Status
affected
Version
1.10
Status
affected
Version
1.11
Status
affected
Version
1.12
Status
affected
Version
1.13
Status
affected
Version
1.14
Status
affected
Version
1.15
Status
affected
Version
1.16
Status
affected
Version
1.17
Status
affected
Version
1.18
Status
affected
Version
1.19
Status
affected
Version
1.20
Status
affected
Version
1.21
Status
affected
Version
1.22
Status
affected
Version
1.23
Status
affected
Version
1.24
Status
affected
Version
1.25
Status
affected
Version
1.26
Status
affected
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. 
Login
Login| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.35% | 0.277 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| cna@vuldb.com | 5.5 | 0 | 0 |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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
|
| cna@vuldb.com | 7.3 | 3.9 | 3.4 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
|
| cna@vuldb.com | 7.5 | 10 | 6.4 |
AV:N/AC:L/Au:N/C:P/I:P/A:P
|
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
CWE-122 Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
https://github.com/cesanta/mjs/
https://github.com/cesanta/mjs/issues/324
https://vuldb.com/cve/CVE-2026-86716
https://vuldb.com/submit/910881
https://vuldb.com/submit/910882
https://vuldb.com/vuln/399773
https://vuldb.com/vuln/399773/cti