7.5

CVE-2026-22260: Suricata http1: infinite recursion in decompression

Analyzed
AliasesUBUNTU-CVE-2026-22260DEBIAN-CVE-2026-22260
Published 27-01-2026Last modified 27-01-2026

Vulnerability summary

CVE-2026-22260 is a high (CVSS 7.5) Uncontrolled Recursion vulnerability in oisf suricata. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.8% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.56%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2026:10082-1

Timeline

  1. 27-01-2026
    PublishedVulnerability first disclosed.
  2. 27-01-2026
    Last modifiedVulnerability information updated.

Description

Suricata is a network IDS, IPS and NSM engine. Starting in version 8.0.0 and prior to version 8.0.3, Suricata can crash with a stack overflow. Version 8.0.3 patches the issue. As a workaround, use default values for `request-body-limit` and `response-body-limit`.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

Increase +0.04 pp

From 0.52% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • suricata< 1:8.0.3-1
Oisf1 product
Ubuntu1 product
  • suricataAll versions (No fix recorded)

3 vendors · 3 products

References

6 links