5.5

CVE-2017-7244: pcre Out-of-bounds Read

CVSS: 5.5v3.0MediumModified
AliasesALPINE-CVE-2017-7244UBUNTU-CVE-2017-7244DEBIAN-CVE-2017-7244
Published 23-03-2017Last modified 05-08-2024

Vulnerability summary

CVE-2017-7244 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in pcre. EPSS estimates a 1.99% chance of exploitation in the next 30 days, higher than 80.4% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.0 (NVD)
EPSS score
1.99%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 1

Timeline

  1. 23-03-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

The _pcre32_xclass function in pcre_xclass.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (invalid memory read) via a crafted file.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.99%

Chance of exploitation in the next 30 days

Percentile

80%

Versus all other CVEs

30-day change

0.00 pp

From 1.99% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.99%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • pcre< 8.41-r0
Debian1 product
  • pcre3< 2:8.39-3
Pcre1 product
Ubuntu1 product
  • pcre3< 2:8.38-3.1ubuntu0.1~esm2

4 vendors · 4 products

References

8 links