Description
A vulnerability was found in 9fans plan9port up to 9da5b44. It has been classified as critical. This affects the function edump in the library /src/plan9port/src/libsec/port/x509.c. The manipulation leads to heap-based buffer overflow. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The identifier of the patch is b3e06559475b0130a7a2fb56ac4d131d13d2012f. It is recommended to apply a patch to fix this issue.
References (8)
Core 8
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.259053
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.259053
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.304567
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.607684
Product related
https://drive.google.com/drive/folders/1kedwNLNDiFQB2OAp7S-ZKYoF7nxfIZGO?usp=sharing
Patch issue-tracking
https://github.com/9fans/plan9port/issues/710#issuecomment-2819906648
Scores
CVSS v3
5.5
EPSS
0.0021
EPSS Percentile
42.9%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-119
CWE-122
Status
published
Products (1)
9fans/plan9port
< 2025-03-29
Published
Jul 09, 2025
Tracked Since
Feb 18, 2026