CVE-2018-10773

NULL pointer deference in the addsn function in serialno.c in libbibcore.a in bibutils through 6.2 allows remote attackers to cause a denial of service (application crash), as demonstrated by copac2xml.

Published: 2018-05-07 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2018-10773 is rated Moderate Risk (48.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.15%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-10773

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.61% 1.15% +0.54%
2 2025-11-21 0.36% 0.61% +0.25%
3 2025-11-18 0.36%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-10773

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 3.6 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2018-10773

OS Trackers for CVE-2018-10773

vendor priority summary link
debian unimportant CVE-2018-10773 unimportant priority: Debian including 1 source packages (bibutils), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2018-10773
redhat low https://access.redhat.com/security/cve/CVE-2018-10773
ubuntu medium CVE-2018-10773 medium priority: Ubuntu including 1 source packages (bibutils), 20 status rows across 20 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 12, needs-triage 7, DNE 1. https://ubuntu.com/security/CVE-2018-10773

Affected software / configurations for CVE-2018-10773

Vendor Product Version Raw CPE
bibutils_project bibutils <= 6.2 cpe:2.3:a:bibutils_project:bibutils:*:*:*:*:*:*:*:*

References for CVE-2018-10773

cvelogic Threat Intelligence