USN-8847-2: openssl Ubuntu

CVSS: UnknownPublished
Published 29-09-2026Last modified 02-10-2026

Vulnerability summary

USN-8847-2 is a vulnerability in openssl 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 4 · Downstream 0 · Related 4

Timeline

  1. 29-09-2026
    PublishedVulnerability first disclosed.
  2. 02-10-2026
    Last modifiedVulnerability information updated.

Description

openssl, openssl1.0 vulnerabilities USN-8847-1 fixed vulnerabilities in OpenSSL. This update provides the corresponding fix for OpenSSL on Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that OpenSSL incorrectly handled certain certificate revocation list distribution point names. An attacker could possibly use this issue to cause OpenSSL to consume excessive memory, resulting in a denial of service. (CVE-2026-35189) It was discovered that OpenSSL incorrectly implemented scalar multiplication for non-NIST elliptic curves. An attacker could possibly use this issue to perform a timing side-channel attack and obtain sensitive information. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2026-54872) It was discovered that OpenSSL incorrectly implemented SM2 signature generation. An attacker could possibly use this issue to perform a timing side-channel attack and obtain sensitive information. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2026-77696) It was discovered that OpenSSL incorrectly handled DTLS retransmission of handshake messages. An attacker could possibly use this issue to cause incorrect handshake behavior or a denial of service. (CVE-2026-84782)

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

Ubuntu2 products
  • openssl< 1.0.1f-1ubuntu2.27+esm17 | < 1.0.2g-1ubuntu4.20+esm19 | < 1.1.1-1ubuntu2.1~18.04.23+esm11 | < 1.1.1f-1ubuntu2.24+esm6
  • openssl1.0< 1.0.2n-1ubuntu5.13+esm7

1 vendor · 2 products

References

5 links