CVE-2020-7595: canonical ubuntu_linux Loop with Unreachable Exit Condition
Vulnerability summary
CVE-2020-7595 is a high (CVSS 7.5) Loop with Unreachable Exit Condition vulnerability in canonical ubuntu_linux. EPSS estimates a 7.84% chance of exploitation in the next 30 days, higher than 94.6% of scored vulnerabilities.
Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 8% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 17 · Related 12Timeline
- 21-01-2020PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.
CVSS metrics
7 scores · 6 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · RubygemsEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
7.84%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
No change 0.00 pp
From 7.84% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Netapp13 products
Oracle6 products
- communications_cloud_native_core_network_function_cloud_native_environment1.10.0
- enterprise_manager_base_platform13.4.0.0 | 13.5.0.0
- enterprise_manager_ops_center12.4.0.0
- mysql_workbench≤ 8.0.26
- peoplesoft_enterprise_peopletools8.58
Debian2 products
- libxml2< 2.9.10+dfsg-2.1
- debian_linuxEOL9.0
Alpine1 product
- libxml2< 2.9.8-r2 | < 2.9.8-r3
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04 | 18.04 | 19.10
Fedoraproject1 product
- fedoraEOL30 | 31 | 32
RubyGems1 product
- nokogiri< 1.10.8
Siemens1 product
Ubuntu1 product
- libxml2< 2.9.1+dfsg1-3ubuntu4.13+esm1 | < 2.9.3+dfsg1-1ubuntu0.7 | < 2.9.4+dfsg1-6.1ubuntu1.3
Xmlsoft1 product
- libxml22.9.10
10 vendors · 28 products
References
31 links- lists.opensuse.org/opensuse-security-announce/2020-05/msg00047.htmlVendor AdvisoryX Refsource SUSEWEBBroken Link
lists.debian.org/debian-lts-announce/2020/09/msg00009.htmlMailing ListX Refsource MLISTWEBThird Party Advisory
Show all 31 references
- us-cert.cisa.gov/ics/advisories/icsa-21-103-08X Refsource CONFIRMWEBThird Party AdvisoryUS Government Resource
