CVE-2017-9227

oniguruma: Out-of-bounds stack read in mbc_enc_len() during regular expression searching

Published May 24, 2017 CVSS 3.1 · 9.8 Critical EPSS 6.3% KEV · Not listed
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 stack out-of-bounds read occurs in mbc_enc_len() during regular expression searching. Invalid handling of reg->dmin in forward_search_range() could result in an invalid pointer dereference, as an out-of-bounds read from a stack buffer.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-958-1 libonig security update
EUVD EUVD EUVD-2017-18165 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 stack out-of-bounds read occurs in mbc_enc_len() during regular expression searching. Invalid handling of reg->dmin in forward_search_range() could result in an invalid pointer dereference, as an out-of-bounds read from a stack buffer.
Ubuntu USN Ubuntu USN USN-3382-1 PHP vulnerabilities
Ubuntu USN Ubuntu USN USN-3382-2 PHP vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 5, 2024, 5:02 PM
Reserved
May 24, 2017, 12:00 AM
Status
Modified
Published
May 24, 2017, 3:29 PM
Modified
Jun 17, 2026, 1:27 AM
Severity
Moderate
Public date
May 23, 2017, 12:00 AM