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CVE-2017-9229

Public on 2017-05-24
Modified on 2023-10-04
Description

An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A SIGSEGV occurs in left_adjust_char_head() during regular expression compilation. Invalid handling of reg->dmax in forward_search_range() could result in an invalid pointer dereference, normally as an immediate denial-of-service condition.

Severity
Important
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CVSS v3 Base Score
7.5
See breakdown
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core oniguruma 2023-10-12 15:09 ALAS2-2023-2311
Amazon Linux 2 - Core php 2023-11-29 22:20 ALAS2-2023-2375
Amazon Linux 1 php56 2017-08-17 18:16 ALAS-2017-871
Amazon Linux 1 php70 2017-08-03 20:38 ALAS-2017-867

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H