USN-8769-1: phpseclib Ubuntu

CVSS: UnknownPublished
Published 15-09-2026Last modified 16-09-2026
Open JSON

Vulnerability summary

USN-8769-1 is a vulnerability in phpseclib Ubuntu with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 5 · Downstream 0 · Related 5
CVE-2023-48795CVE-2023-52892CVE-2024-27354CVE-2024-27355CVE-2026-32935

Timeline

  1. 15-09-2026
    PublishedVulnerability first disclosed.
  2. 16-09-2026
    Last modifiedVulnerability information updated.

Description

phpseclib vulnerability It was discovered that phpseclib did not perform padding validation in constant time when using AES in CBC mode. A remote attacker could possibly use this issue to conduct a padding oracle timing attack and obtain sensitive information.

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

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

No weakness data has been published for this record.

Affected systems

Ubuntu1 product
  • phpseclib< 1.0.1-3ubuntu0.1+esm1 | < 1.0.9-1ubuntu0.1~esm2 | < 1.0.18-2ubuntu0.1~esm2 | < 1.0.20-1+deb12u3build0.22.04.1 | < 1.0.23-1ubuntu0.1~esm1 | < 1.0.24-1ubuntu0.1~esm1

1 vendor · 1 product

References

6 links