CVE-2012-5521: debian debian_linux Reachable Assertion
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2012-5521
Published 25-11-2019Last modified 06-08-2024
Vulnerability summary
CVE-2012-5521 is a medium (CVSS 6.5) Reachable Assertion vulnerability in debian debian_linux. EPSS estimates a 1.49% chance of exploitation in the next 30 days, higher than 73.7% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
1.49%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 25-11-2019PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
quagga (ospf6d) 0.99.21 has a DoS flaw in the way the ospf6d daemon performs routes removal
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Low 3.3Preferred score · NVD (NIST)
AV:A/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.49%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
0.00 pp
From 1.49% on 19-09-2026
19-09-202619-10-2026
EPSS score1.49%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- debian_linuxEOL8.0 | 9.0 | 10.0
Quagga1 product
- quagga0.99.21
Redhat1 product
- enterprise_linuxEOL5.0 | 6.0
Ubuntu1 product
- quaggaAll versions (No fix recorded)
4 vendors · 4 products
