6.9

CVE-2026-55970: apache software foundation apache thrift Buffer Over-read

CVSS: 6.9v4.0MediumAnalyzed
AliasesUBUNTU-CVE-2026-55970DEBIAN-CVE-2026-55970
Published 27-07-2026Last modified 27-07-2026

Vulnerability summary

CVE-2026-55970 is a medium (CVSS 6.9) Buffer Over-read vulnerability in apache software foundation apache thrift. EPSS estimates a 0.78% chance of exploitation in the next 30 days, higher than 54.9% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.9/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.78%
0%100%
Low · +0.30 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. 27-07-2026
    PublishedVulnerability first disclosed.
  2. 27-07-2026
    Last modifiedVulnerability information updated.

Description

Buffer Over-read vulnerability in Apache Thrift C++ bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue.

CVSS metrics

6 scores · 4 sources · 2 versions

EPSS trend

Probability

0.78%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

+0.30 pp

From 0.48% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.78%

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

Apache1 product
Apache software foundation1 product
Debian1 product
  • thriftAll versions (No fix recorded)
Ubuntu1 product
  • thriftAll versions (No fix recorded)

4 vendors · 4 products

References

7 links