CVE-2015-8394
critical
CVSS v3
9.8
CVSS v2
7.5
VIR risk
9.8
Description
PCRE before 8.38 mishandles the (?(<digits>) and (?(R<digits>) conditions, which allows remote attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-8394
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 2:8.38-1 |
| debian | bullseye | fixed | 2:8.38-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| pcre | perl_compatible_regular_expression_library | {"endIncluding":"8.37"} | |
| php | php | {"startIncluding":"5.5.0","endExcluding":"5.5.32"} | 5.5.32 |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.html
- http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
- http://www.openwall.com/lists/oss-security/2015/11/29/1
- http://www.securityfocus.com/bid/82990
- https://bto.bluecoat.com/security-advisory/sa128
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- https://security.gentoo.org/glsa/201607-02
- https://security.netapp.com/advisory/ntap-20230216-0002/
- https://security-tracker.debian.org/tracker/CVE-2015-8394
CWEs
CWE-190
Verify integrity in audit chain (admin only). AS-IS.