CVE-2018-10773: NULL pointer deference in the addsn function in serialno.c in libbibcore.a in bibutils through 6.2 allows remo

Q: How do I fix CVE-2018-10773?

bibutils: upgrade to newer than 6.2. Exact commands for each OS are on this page.

Q: Is CVE-2018-10773 being exploited?

CVE-2018-10773 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-10773 affect?

CVE-2018-10773 affects bibutils. Severity is medium (CVSS 6.5). 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.

Q: How urgent is CVE-2018-10773?

Priority 39/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2018-10773 is a medium-severity flaw (CVSS 6.5) affecting bibutils. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-476
Published	2018-05-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: bibutils project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-05-07 07:29 UTCPublished CVE record published
2026-06-17 01:34 UTCUpdated Record last modified

bibutils project bibutils UPGRADE

Affected: <= 6.2

Fixed in: newer than 6.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy bibutils || rpm -q bibutils || bibutils --version

2. UPGRADE to newer than 6.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade bibutils

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bibutils

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-10773?

bibutils: upgrade to newer than 6.2. Exact commands for each OS are on this page.

Is CVE-2018-10773 being exploited?

CVE-2018-10773 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-10773 affect?

CVE-2018-10773 affects bibutils. Severity is medium (CVSS 6.5). 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.

How urgent is CVE-2018-10773?

Priority 39/100. No elevated risk signals yet.

Related CVEs

CVE-2018-10775 MEDIUM 6.5 UPGRADE NULL pointer dereference in the _fields_add function in fields.c in libbibcore.a in bibutils through 6.2 allow
CVE-2018-10774 MEDIUM 6.5 UPGRADE Read access violation in the isiin_keyword function in isiin.c in libbibutils.a in bibutils through 6.2 allows

References

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