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CVE-2022-1587

29
FAUCET Score

CVE-2022-1587 is a critical out-of-bounds read vulnerability in the PCRE2 library, specifically within the get_recurse_data_length() function, impacting JIT-compiled regular expressions. This flaw, affecting products from fedoraproject, netapp, pcre, and redhat, carries a CVSS score of 9.1, indicating a severe risk with high confidentiality and availability impacts. While the vulnerability is critical and easily exploitable over the network, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.40CPE matchmatch criteria
cpe:2.3:a:pcre:pcre2:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
35CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
36CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.57%
Probability of exploitation in next 30 days
EPSS Percentile
83.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0257 is in the 74th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 18705-16820Fixed in: 10.34-2
microsoftpatch availablevia msrc
Product: cm1 pcre2 10.34-2 on CBL Mariner 1.0Fixed in: 10.34-2
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: pcre2-0:10.37-5.el9_0
View patch

Vendor Advisories (2)

microsoft2022-May/CVE-2022-1587Critical

An out-of-bounds read vulnerability was discovered in the PCRE2 library in the get_recurse_data_length() function of the pcre2_jit_compile.c file. This issue affects recursions in JIT-compiled regular expressions caused by duplicate data transfers.

May 10, 2022
redhatCVE-2022-1587Moderate

pcre2: Out-of-bounds read in get_recurse_data_length in pcre2_jit_compile.c

Mar 26, 2022

References

bugzilla.redhat.com / show_bug.cgi
github.com / PCRE2Project/pcre2/commit/03654e751e7f0700693526b67dfcadda6b42c9d0
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2023/03/msg00014.html
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/DWNG2NS3GINO6LQYUVC4BZLUQPJ3DYHA
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/JXINO3KKI5DICQ45E2FKD6MKVMGJLEKJ
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/KAX7767BCUFC7JMDGP7GOQ5GIZCAUGBB
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/M2GLQQUEY5VFM57CFYXVIFOXN2HUZPDM
security.netapp.com / advisory/ntap-20221028-0009
Third Party Advisory