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CVE-2022-26491

An issue was discovered in Pidgin before 2.14.9. A remote attacker who can spoof DNS responses...

5.9 MediumFix available

An issue was discovered in Pidgin before 2.14.9. A remote attacker who can spoof DNS responses can redirect a client connection to a malicious server. The client will perform TLS certificate verification of the malicious domain name instead of the original XMPP service domain, allowing the attacker to take over control over the XMPP connection and to obtain user credentials and all communication content. This is similar to CVE-2022-24968.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

2.56%Up 1.4 points since Jun 1, 2022
90%50%10%1%

What each source reports

NVD Score used 5.9

An issue was discovered in Pidgin before 2.14.9. A remote attacker who can spoof DNS responses can redirect a client connection to a malicious server. The client will perform TLS certificate verification of the malicious domain name instead of the original XMPP service domain, allowing the attacker to take over control over the XMPP connection and to obtain user credentials and all communication content. This is similar to CVE-2022-24968.

Record
CVE-2022-26491
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness
CWE-295
Updated
2026-11-02
CVE List No score

An issue was discovered in Pidgin before 2.14.9. A remote attacker who can spoof DNS responses can redirect a client connection to a malicious server. The client will perform TLS certificate verification of the malicious domain name instead of the original XMPP service domain, allowing the attacker to take over control over the XMPP connection and to obtain user credentials and all communication content. This is similar to CVE-2022-24968.

Record
CVE-2022-26491
Updated
2026-11-02
EUVDEUVD-2022-31049 No score

An issue was discovered in Pidgin before 2.14.9. A remote attacker who can spoof DNS responses can redirect a client connection to a malicious server. The client will perform TLS certificate verification of the malicious domain name instead of the original XMPP service domain, allowing the attacker to take over control over the XMPP connection and to obtain user credentials and all communication content. This is similar to CVE-2022-24968.

Record
EUVD-2022-31049
Updated
2026-11-03
GitHub AdvisoriesGHSA-4hw8-r3fw-2q2x 5.9

An issue was discovered in Pidgin before 2.14.9. A remote attacker who can spoof DNS responses...

An issue was discovered in Pidgin before 2.14.9. A remote attacker who can spoof DNS responses can redirect a client connection to a malicious server. The client will perform TLS certificate verification of the malicious domain name instead of the original XMPP service domain, allowing the attacker to take over control over the XMPP connection and to obtain user credentials and all communication content. This is similar to CVE-2022-24968.

Record
GHSA-4hw8-r3fw-2q2x
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-295
Updated
2026-11-02
OSVALPINE-CVE-2022-26491 5.9

An issue was discovered in Pidgin before 2.14.9. A remote attacker who can spoof DNS responses can redirect a client connection to a malicious server. The client will perform TLS certificate verification of the malicious domain name instead of the original XMPP service domain, allowing the attacker to take over control over the XMPP connection and to obtain user credentials and all communication content. This is similar to CVE-2022-24968.

Record
ALPINE-CVE-2022-26491
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-03
OSV 5.9

An issue was discovered in Pidgin before 2.14.9. A remote attacker who can spoof DNS responses can redirect a client connection to a malicious server. The client will perform TLS certificate verification of the malicious domain name instead of the original XMPP service domain, allowing the attacker to take over control over the XMPP connection and to obtain user credentials and all communication content. This is similar to CVE-2022-24968.

Record
CVE-2022-26491
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
Show 7 moreShow less
OSVDEBIAN-CVE-2022-26491 5.9

An issue was discovered in Pidgin before 2.14.9. A remote attacker who can spoof DNS responses can redirect a client connection to a malicious server. The client will perform TLS certificate verification of the malicious domain name instead of the original XMPP service domain, allowing the attacker to take over control over the XMPP connection and to obtain user credentials and all communication content. This is similar to CVE-2022-24968.

Record
DEBIAN-CVE-2022-26491
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-03
OSVUBUNTU-CVE-2022-26491 5.9

An issue was discovered in Pidgin before 2.14.9. A remote attacker who can spoof DNS responses can redirect a client connection to a malicious server. The client will perform TLS certificate verification of the malicious domain name instead of the original XMPP service domain, allowing the attacker to take over control over the XMPP connection and to obtain user credentials and all communication content. This is similar to CVE-2022-24968.

Record
UBUNTU-CVE-2022-26491
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVMGASA-2022-0208 No score

Updated pidgin packages fix security vulnerability

MITM vulnerability when DNSSEC wasn't used (CVE-2022-26491)

Record
MGASA-2022-0208
Updated
2026-11-02
OSVopenSUSE-SU-2024:12036-1 No score

finch-2.14.9-1.1 on GA media

These are all security issues fixed in the finch-2.14.9-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:12036-1
Updated
2026-11-02
OSVSUSE-SU-2022:1664-1 No score

Security update for pidgin

This update for pidgin fixes the following issues:

  • CVE-2022-26491: Fixed MITM vulnerability when DNSSEC wasn't used (bsc#1199025).
Record
SUSE-SU-2022:1664-1
Updated
2026-11-02
OSVSUSE-SU-2022:1665-1 No score

Security update for pidgin

This update for pidgin fixes the following issues:

  • CVE-2022-26491: Fixed MITM vulnerability when DNSSEC wasn't used (bsc#1199025).
Record
SUSE-SU-2022:1665-1
Updated
2026-11-02
OSVSUSE-SU-2022:1693-1 No score

Security update for pidgin

This update for pidgin fixes the following issues:

  • CVE-2022-26491: Fixed MITM vulnerability when DNSSEC wasn't used (bsc#1199025).
Record
SUSE-SU-2022:1693-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
pidgin
Alpine:v3.16
before 2.14.9-r0
2.14.9-r0
pidgin
Alpine:v3.17
before 2.14.9-r0
2.14.9-r0
pidgin
Alpine:v3.18
before 2.14.9-r0
2.14.9-r0
pidgin
Alpine:v3.19
before 2.14.9-r0
2.14.9-r0
pidgin
Alpine:v3.20
before 2.14.9-r0
2.14.9-r0
pidgin
Alpine:v3.21
before 2.14.9-r0
2.14.9-r0
pidgin
Alpine:v3.22
before 2.14.9-r0
2.14.9-r0
pidgin
Alpine:v3.23
before 2.14.9-r0
2.14.9-r0
pidgin
Alpine:v3.24
before 2.14.9-r0
2.14.9-r0
pidgin
Debian:12
before 2.14.9-1
2.14.9-1
Show 21 moreShow less
Affected packages
PackageAffectedFixed
pidgin
Debian:13
before 2.14.9-1
2.14.9-1
pidgin
Debian:14
before 2.14.9-1
2.14.9-1
pidgin
Debian:9
before 2.12.0-1+deb9u1, plus listed versions
2.12.0-1
2.12.0-1+deb9u1
pidgin
Mageia:8
before 2.14.1-6.1.mga8
2.14.1-6.1.mga8
pidgin
SUSE:Linux Enterprise Software Development Kit 12 SP5
before 2.12.0-3.6.1
2.12.0-3.6.1
pidgin
SUSE:Linux Enterprise Workstation Extension 12 SP5
before 2.12.0-3.6.1
2.12.0-3.6.1
pidgin
SUSE:Linux Enterprise Module for Package Hub 15 SP3
before 2.13.0-150200.12.6.1
2.13.0-150200.12.6.1
pidgin
SUSE:Linux Enterprise Workstation Extension 15 SP3
before 2.13.0-150200.12.6.1
2.13.0-150200.12.6.1
pidgin
openSUSE:Leap 15.3
before 2.13.0-150200.12.6.1
2.13.0-150200.12.6.1
pidgin
openSUSE:Leap 15.4
before 2.13.0-150200.12.6.1
2.13.0-150200.12.6.1
pidgin
SUSE:Linux Enterprise Module for Package Hub 15 SP4
before 2.14.8-150400.3.3.1
2.14.8-150400.3.3.1
pidgin
SUSE:Linux Enterprise Workstation Extension 15 SP4
before 2.14.8-150400.3.3.1
2.14.8-150400.3.3.1
pidgin
Ubuntu:14.04:LTS
All versions, plus listed versions
1:2.10.7-0ubuntu4.11:2.10.7-0ubuntu4.21:2.10.9-0ubuntu11:2.10.9-0ubuntu21:2.10.9-0ubuntu3
Show 4 moreShow less
1:2.10.9-0ubuntu3.11:2.10.9-0ubuntu3.21:2.10.9-0ubuntu3.31:2.10.9-0ubuntu3.4
None known
pidgin
Ubuntu:16.04:LTS
All versions, plus listed versions
1:2.10.11-0ubuntu41:2.10.11-0ubuntu51:2.10.12-0ubuntu11:2.10.12-0ubuntu21:2.10.12-0ubuntu3
Show 4 moreShow less
1:2.10.12-0ubuntu41:2.10.12-0ubuntu51:2.10.12-0ubuntu5.11:2.10.12-0ubuntu5.2
None known
pidgin
Ubuntu:18.04:LTS
All versions, plus listed versions
1:2.12.0-1ubuntu21:2.12.0-1ubuntu4
None known
pidgin
Ubuntu:20.04:LTS
All versions, plus listed versions
1:2.13.0-2.2ubuntu11:2.13.0-2.2ubuntu21:2.13.0-2.2ubuntu31:2.13.0-2.2ubuntu4
None known
pidgin
Ubuntu:22.04:LTS
All versions, plus listed versions
1:2.14.1-1ubuntu11:2.14.8-1ubuntu11:2.14.8-1ubuntu21:2.14.8-1ubuntu2.1
None known
pidgin
Ubuntu:24.04:LTS
All versions, plus listed versions
1:2.14.12-1ubuntu11:2.14.12-1ubuntu21:2.14.13-1ubuntu11:2.14.13-1ubuntu2
None known
pidgin
Ubuntu:25.10
All versions, plus listed versions
1:2.14.14-1ubuntu11:2.14.14-1ubuntu2
None known
pidgin
Ubuntu:26.10
All versions, plus listed versions
1:2.14.14-1ubuntu31:2.14.14-1ubuntu4
None known
pidgin
Ubuntu:26.04:LTS
All versions, plus listed versions
1:2.14.14-1ubuntu21:2.14.14-1ubuntu3
None known

History

History
RecordedChangedSources
affected, aliases, referencesOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-26491 is a medium vulnerability (CVSS 5.9) in Pidgin, published May 16, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.56%, the 85th percentile. Fixed in pidgin 2.14.9-r0.

References

Show 16 moreShow less
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