7.5

CVE-2022-2509: debian debian_linux Double Free

CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2022-2509MGASA-2022-0301SUSE-SU-2022:2882-1
Published 01-08-2022Last modified 14-10-2026
Open JSON

Vulnerability summary

CVE-2022-2509 is a high (CVSS 7.5) Double Free vulnerability in debian debian_linux. EPSS estimates a 2.25% chance of exploitation in the next 30 days, higher than 82.6% 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
2.25%
0%100%
Low · +0.39 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 4
DLA-3070-1SUSE-SU-2022:2830-1USN-5550-1CGA-94W4-8P7J-RCJJCGA-M34R-5X9Q-X48W

Timeline

  1. 01-08-2022
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

Description

A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutls_pkcs7_verify function.

CVSS metrics

8 scores · 8 sources · 1 version

EPSS trend

Probability

2.25%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

+0.39 pp

From 1.86% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.25%

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

Suse13 products
  • gnutls&distro=SUSE Enterprise Storage 7< 3.6.7-150200.14.19.2
  • gnutls&distro=SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS< 3.6.7-150200.14.19.2
  • gnutls&distro=SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS< 3.6.7-150200.14.19.2
  • gnutls&distro=SUSE Linux Enterprise Micro 5.1< 3.6.7-150200.14.19.2
  • gnutls&distro=SUSE Linux Enterprise Micro 5.2< 3.6.7-150200.14.19.2
Redhat11 products
  • enterprise_linux8.0 | 9.0
  • gnutls< 0:3.7.6-12.el9_0 | < 0:3.6.16-5.el8_6
  • gnutls-c++< 0:3.7.6-12.el9_0 | < 0:3.6.16-5.el8_6
  • gnutls-c++-debuginfo< 0:3.7.6-12.el9_0 | < 0:3.6.16-5.el8_6
  • gnutls-dane< 0:3.7.6-12.el9_0 | < 0:3.6.16-5.el8_6
Opensuse4 products
  • gnutls&distro=openSUSE Leap 15.3< 3.6.7-150200.14.19.2
  • gnutls&distro=openSUSE Leap 15.4< 3.7.3-150400.4.10.1
  • gnutls&distro=openSUSE Leap Micro 5.2< 3.6.7-150200.14.19.2
  • gnutls&distro=openSUSE Tumbleweed< 3.7.7-1.1
Debian2 products
  • gnutls28< 3.7.1-5+deb11u2 | < 3.7.7-1
  • debian_linuxEOL10.0 | 11.0
Alpine1 product
  • gnutls< 3.7.1-r1 | < 3.7.7-r0
Chainguard1 product
  • gnutlsAll versions (No fix recorded)
Fedoraproject1 product
Gnu1 product
Mageia1 product
  • gnutls< 3.6.15-3.3.mga8
Ubuntu1 product
  • gnutls28< 3.5.18-1ubuntu1.6 | < 3.6.13-2ubuntu1.7 | < 3.7.3-4ubuntu1.1
Wolfi1 product
  • gnutlsAll versions (No fix recorded)

11 vendors · 37 products

References

36 links
Show all 36 references