Buffer overflow in Pcre

CVE-2014-9769

pcre_jit_compile.c in PCRE 8.35 does not properly use table jumps to optimize nested alternatives, which allows remote attackers to cause a denial of service (stack memory corruption) or possibly have unspecified other impact via a crafted string, as demonstrated by packets encountered by Suricata during use of a regular expression in an Emerging Threats Open ruleset.

Vulnerability class: Buffer Overflow

EPSS: 0.024 (82.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

  • Pcre — versions 8.35
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2014-9769?
CVE-2014-9769 is a high-severity vulnerability in Pcre, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.3/10. Published 2016-03-28.
How severe is CVE-2014-9769?
High severity. CVSS v3 base score is 7.3 out of 10.