vulnwire
7.5high

CVE-2016-9954

The backtrack compilation code in the Irregex package (aka IrRegular Expressions) before 0.9.6 for Scheme allows remote attackers to cause…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.4%
percentile 84%
Public exploits
0
none known

The backtrack compilation code in the Irregex package (aka IrRegular Expressions) before 0.9.6 for Scheme allows remote attackers to cause a denial of service (memory consumption) via a crafted regular expression with a repeating pattern.

Exploit prediction (EPSS)

2.42% probability of exploitation in the next 30 days, higher than 84% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

  • openwall.com /lists/oss-security/2016/12/15/8 · mailing-list, x_refsource_MLIST, x_transferred
  • github.com /ashinn/irregex/commit/a16ffc86eca15fca9e40607d41de3cea9cf868f1 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/94942 · vdb-entry, x_refsource_BID, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1413990 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.