9.1

CVE-2022-1586: debian debian_linux Out-of-bounds Read

CVSS: 9.1v3.1CriticalAnalyzed
AliasesALPINE-CVE-2022-1586SUSE-SU-2022:1836-1SUSE-SU-2022:1883-1
Published 16-05-2022Last modified 06-03-2025
Open JSON

Vulnerability summary

CVE-2022-1586 is a critical (CVSS 9.1) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 3.37% chance of exploitation in the next 30 days, higher than 88.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (NVD)
EPSS score
3.37%
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 5 · Related 4
DLA-3363-1MGASA-2022-0417RHSA-2022:5251USN-5627-1USN-5627-2CGA-9QH7-XR76-MMQF

Timeline

  1. 16-05-2022
    PublishedVulnerability first disclosed.
  2. 06-03-2025
    Last modifiedVulnerability information updated.

Description

An out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file. This involves a unicode property matching issue in JIT-compiled regular expressions. The issue occurs because the character was not fully read in case-less matching within JIT.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

3.37%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.37% on 20-09-2026

20-09-202620-10-2026
EPSS score
3.37%

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

Suse78 products
  • pcre2&distro=HPE Helion OpenStack 8< 10.34-1.7.1
  • pcre2&distro=SUSE Enterprise Storage 6< 10.31-150000.3.7.1
  • pcre2&distro=SUSE Enterprise Storage 7< 10.31-150000.3.7.1
  • pcre2&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS< 10.31-150000.3.7.1
  • pcre2&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS< 10.31-150000.3.7.1
Redhat11 products
  • enterprise_linux8.0 | 9.0
  • pcre2< 0:10.32-3.el8_6
  • pcre2-debuginfo< 0:10.32-3.el8_6
  • pcre2-debugsource< 0:10.32-3.el8_6
  • pcre2-devel< 0:10.32-3.el8_6
Netapp9 products
Opensuse5 products
  • pcre2&distro=openSUSE Leap 15.3< 10.31-150000.3.7.1
  • pcre2&distro=openSUSE Leap 15.4< 10.31-150000.3.7.1 | < 10.39-150400.4.3.1
  • pcre&distro=openSUSE Leap 15.3< 8.45-150000.20.13.1
  • pcre&distro=openSUSE Leap 15.4< 8.45-150000.20.13.1
  • pcre&distro=openSUSE Leap Micro 5.2< 8.45-150000.20.13.1
Debian2 products
Alpine1 product
  • pcre2< 10.36-r1 | < 10.40-r0
Chainguard1 product
  • pcre2All versions (No fix recorded)
Fedoraproject1 product
Pcre1 product
Ubuntu1 product
  • pcre2All versions (No fix recorded) | < 10.31-2ubuntu0.1~esm1 | < 10.34-7ubuntu0.1 | < 10.39-3ubuntu0.1
Wolfi1 product
  • pcre2All versions (No fix recorded)

11 vendors · 111 products

References

32 links
Show all 32 references