Skip to main content
Threat Radar animated logo
DashboardThreatsMapFeedsPricingView Plans & Pricing
reconnecting
Press slash or control plus K to focus the search. Use the arrow keys to navigate results and press enter to open a threat.
Reconnecting to live updates…

Php5: (phpseclib is a PHP secure communications library. (CVE-2026-84308)

0
Medium
VulnerabilityCVE-2026-84308gcveosvubuntu-cve-2026-84308cve-2026-84308ubuntu-pro-14-04-ltsubuntu-pro-16-04-ltsubuntu-pro-18-04-ltsubuntu-pro-20-04-ltsubuntu-22-04-ltsubuntu-pro-22-04-ltsubuntu-24-04-ltsubuntu-26-04-lts
Published: 09/02/2026 (09/02/2026, 00:00:00 UTC)
Source: GCVE Database
Product: php5

Description

(phpseclib is a PHP secure communications library. Prior to 3.0.57 and ...)

Affected software

Ubuntu:Pro:14.04:LTSmore threats →ghsa
php5
pkg:deb/ubuntu/php5?arch=source&distro=esm-infra-legacy/trusty
Affected versions
=5.5.3+dfsg-1ubuntu2=5.5.3+dfsg-1ubuntu3=5.5.6+dfsg-1ubuntu1=5.5.6+dfsg-1ubuntu2=5.5.8+dfsg-2ubuntu1=5.5.9+dfsg-1ubuntu1=5.5.9+dfsg-1ubuntu2=5.5.9+dfsg-1ubuntu3=5.5.9+dfsg-1ubuntu4=5.5.9+dfsg-1ubuntu4.1=5.5.9+dfsg-1ubuntu4.2=5.5.9+dfsg-1ubuntu4.3=5.5.9+dfsg-1ubuntu4.4=5.5.9+dfsg-1ubuntu4.5=5.5.9+dfsg-1ubuntu4.6=5.5.9+dfsg-1ubuntu4.7=5.5.9+dfsg-1ubuntu4.9=5.5.9+dfsg-1ubuntu4.11=5.5.9+dfsg-1ubuntu4.12=5.5.9+dfsg-1ubuntu4.13=5.5.9+dfsg-1ubuntu4.14=5.5.9+dfsg-1ubuntu4.16=5.5.9+dfsg-1ubuntu4.17=5.5.9+dfsg-1ubuntu4.19=5.5.9+dfsg-1ubuntu4.20=5.5.9+dfsg-1ubuntu4.21=5.5.9+dfsg-1ubuntu4.22=5.5.9+dfsg-1ubuntu4.23=5.5.9+dfsg-1ubuntu4.24=5.5.9+dfsg-1ubuntu4.25=5.5.9+dfsg-1ubuntu4.26=5.5.9+dfsg-1ubuntu4.27=5.5.9+dfsg-1ubuntu4.29=5.5.9+dfsg-1ubuntu4.29+esm1=5.5.9+dfsg-1ubuntu4.29+esm2=5.5.9+dfsg-1ubuntu4.29+esm3=5.5.9+dfsg-1ubuntu4.29+esm4=5.5.9+dfsg-1ubuntu4.29+esm5=5.5.9+dfsg-1ubuntu4.29+esm6=5.5.9+dfsg-1ubuntu4.29+esm8=5.5.9+dfsg-1ubuntu4.29+esm10=5.5.9+dfsg-1ubuntu4.29+esm11=5.5.9+dfsg-1ubuntu4.29+esm12=5.5.9+dfsg-1ubuntu4.29+esm13=5.5.9+dfsg-1ubuntu4.29+esm14=5.5.9+dfsg-1ubuntu4.29+esm15=5.5.9+dfsg-1ubuntu4.29+esm16
Ubuntu:Pro:16.04:LTSmore threats →ghsa
phpseclib
pkg:deb/ubuntu/phpseclib?arch=source&distro=esm-apps/xenial
Affected versions
=0.3.10-3=1.0.0-2=1.0.0-3=1.0.1-1=1.0.1-3=1.0.1-3ubuntu0.1=1.0.1-3ubuntu0.1+esm1
Ubuntu:Pro:18.04:LTSmore threats →ghsa
php7.2
pkg:deb/ubuntu/php7.2?arch=source&distro=esm-infra/bionic
Affected versions
=7.2.1-1ubuntu2=7.2.2-1ubuntu1=7.2.2-1ubuntu2=7.2.3-1ubuntu1=7.2.5-0ubuntu0.18.04.1=7.2.7-0ubuntu0.18.04.1=7.2.7-0ubuntu0.18.04.2=7.2.10-0ubuntu0.18.04.1=7.2.15-0ubuntu0.18.04.1=7.2.15-0ubuntu0.18.04.2=7.2.17-0ubuntu0.18.04.1=7.2.19-0ubuntu0.18.04.1=7.2.19-0ubuntu0.18.04.2=7.2.24-0ubuntu0.18.04.1=7.2.24-0ubuntu0.18.04.2=7.2.24-0ubuntu0.18.04.3=7.2.24-0ubuntu0.18.04.4=7.2.24-0ubuntu0.18.04.6=7.2.24-0ubuntu0.18.04.7=7.2.24-0ubuntu0.18.04.8=7.2.24-0ubuntu0.18.04.9=7.2.24-0ubuntu0.18.04.10=7.2.24-0ubuntu0.18.04.11=7.2.24-0ubuntu0.18.04.12=7.2.24-0ubuntu0.18.04.13=7.2.24-0ubuntu0.18.04.15=7.2.24-0ubuntu0.18.04.16=7.2.24-0ubuntu0.18.04.17=7.2.24-0ubuntu0.18.04.17+esm1=7.2.24-0ubuntu0.18.04.17+esm2=7.2.24-0ubuntu0.18.04.17+esm3=7.2.24-0ubuntu0.18.04.17+esm4=7.2.24-0ubuntu0.18.04.17+esm5=7.2.24-0ubuntu0.18.04.17+esm6=7.2.24-0ubuntu0.18.04.17+esm7=7.2.24-0ubuntu0.18.04.17+esm8=7.2.24-0ubuntu0.18.04.17+esm9=7.2.24-0ubuntu0.18.04.17+esm10=7.2.24-0ubuntu0.18.04.17+esm11=7.2.24-0ubuntu0.18.04.17+esm12
Ubuntu:Pro:18.04:LTSmore threats →ghsa
phpseclib
pkg:deb/ubuntu/phpseclib?arch=source&distro=esm-apps/bionic
Affected versions
=1.0.7-1=1.0.8-1=1.0.9-1=1.0.9-1ubuntu0.1~esm1
Ubuntu:Pro:20.04:LTSmore threats →ghsa
php7.4
pkg:deb/ubuntu/php7.4?arch=source&distro=esm-infra/focal
Affected versions
=7.4.3-4build1=7.4.3-4build2=7.4.3-4ubuntu1=7.4.3-4ubuntu1.1=7.4.3-4ubuntu2.2=7.4.3-4ubuntu2.4=7.4.3-4ubuntu2.5=7.4.3-4ubuntu2.6=7.4.3-4ubuntu2.7=7.4.3-4ubuntu2.8=7.4.3-4ubuntu2.9=7.4.3-4ubuntu2.10=7.4.3-4ubuntu2.11=7.4.3-4ubuntu2.12=7.4.3-4ubuntu2.13=7.4.3-4ubuntu2.15=7.4.3-4ubuntu2.16=7.4.3-4ubuntu2.17=7.4.3-4ubuntu2.18=7.4.3-4ubuntu2.19=7.4.3-4ubuntu2.20=7.4.3-4ubuntu2.22=7.4.3-4ubuntu2.23=7.4.3-4ubuntu2.24=7.4.3-4ubuntu2.26=7.4.3-4ubuntu2.28=7.4.3-4ubuntu2.29=7.4.3-4ubuntu2.29+esm1=7.4.3-4ubuntu2.29+esm2=7.4.3-4ubuntu2.29+esm3
Ubuntu:Pro:20.04:LTSmore threats →ghsa
phpseclib
pkg:deb/ubuntu/phpseclib?arch=source&distro=esm-apps/focal
Affected versions
=1.0.16-2=1.0.18-2=1.0.18-2ubuntu0.1~esm1
Ubuntu:22.04:LTSmore threats →ghsa
php8.1
pkg:deb/ubuntu/php8.1?arch=source&distro=jammy
Affected versions
=8.1.0~rc4-1ubuntu2=8.1.0-1=8.1.2-1ubuntu1=8.1.2-1ubuntu2=8.1.2-1ubuntu2.1=8.1.2-1ubuntu2.2=8.1.2-1ubuntu2.3=8.1.2-1ubuntu2.4=8.1.2-1ubuntu2.5=8.1.2-1ubuntu2.6=8.1.2-1ubuntu2.8=8.1.2-1ubuntu2.9=8.1.2-1ubuntu2.10=8.1.2-1ubuntu2.11=8.1.2-1ubuntu2.13=8.1.2-1ubuntu2.14=8.1.2-1ubuntu2.15=8.1.2-1ubuntu2.17=8.1.2-1ubuntu2.18=8.1.2-1ubuntu2.19=8.1.2-1ubuntu2.20=8.1.2-1ubuntu2.21=8.1.2-1ubuntu2.22=8.1.2-1ubuntu2.23=8.1.2-1ubuntu2.24=8.1.2-1ubuntu2.25
Ubuntu:Pro:22.04:LTSmore threats →ghsa
phpseclib
pkg:deb/ubuntu/phpseclib?arch=source&distro=esm-apps/jammy
Affected versions
=1.0.19-3ubuntu2=1.0.19-3ubuntu3=1.0.20-1=1.0.20-1ubuntu0.1~esm1
Ubuntu:24.04:LTSmore threats →ghsa
php8.3
pkg:deb/ubuntu/php8.3?arch=source&distro=noble
Affected versions
=8.3.0-1=8.3.0-1ubuntu1=8.3.4-1=8.3.4-1build1=8.3.6-0maysync1=8.3.6-0ubuntu0.24.04.1=8.3.6-0ubuntu0.24.04.2=8.3.6-0ubuntu0.24.04.3=8.3.6-0ubuntu0.24.04.4=8.3.6-0ubuntu0.24.04.5=8.3.6-0ubuntu0.24.04.6=8.3.6-0ubuntu0.24.04.7=8.3.6-0ubuntu0.24.04.8=8.3.6-0ubuntu0.24.04.9=8.3.6-0ubuntu0.24.04.10
Ubuntu:24.04:LTSmore threats →ghsa
phpseclib
pkg:deb/ubuntu/phpseclib?arch=source&distro=noble
Affected versions
=1.0.21-2=1.0.22-1=1.0.23-1
Ubuntu:26.04:LTSmore threats →ghsa
php8.5
pkg:deb/ubuntu/php8.5?arch=source&distro=resolute
Affected versions
=8.5.2-0ubuntu1=8.5.4-0ubuntu1=8.5.4-0ubuntu1.1=8.5.4-0ubuntu1.2
Ubuntu:26.04:LTSmore threats →ghsa
phpseclib
pkg:deb/ubuntu/phpseclib?arch=source&distro=resolute
Affected versions
=1.0.23-6=1.0.24-1

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Gcve Source
db.gcve.eu
Osv Id
UBUNTU-CVE-2026-84308
Osv Schema Version
1.7.0
Aliases
[]
Ecosystems
["Ubuntu:Pro:14.04:LTS","Ubuntu:Pro:16.04:LTS","Ubuntu:Pro:18.04:LTS","Ubuntu:Pro:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:Pro:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:26.04:LTS"]
Database Specific Severity
null
Cvss Version
null

Threat ID: 6a998f6dacd9273b491935e3

Added to database: 09/03/2026, 15:17:01 UTC

Last updated: 09/03/2026, 16:08:06 UTC

Views: 2

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses