CVE-2019-25078: A vulnerability classified as problematic was found in pacparser up to 1.3.x

Q: How do I fix CVE-2019-25078?

pacparser: upgrade to 1.4.0. Exact commands for each OS are on this page.

Q: Is CVE-2019-25078 being exploited?

CVE-2019-25078 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-2019-25078 affect?

CVE-2019-25078 affects pacparser. Severity is medium (CVSS 5.3). A vulnerability classified as problematic was found in pacparser up to 1.3.x. Affected by this vulnerability is the function pacparser_find_proxy of the file src/pacparser.c. The manipulation of the argument url leads to buffer overflow. At

Q: How urgent is CVE-2019-25078?

Priority 33/100. Public exploit reference

Routine

MEDIUM 5.3UPGRADE

CVE-2019-25078 is a medium-severity flaw (CVSS 5.3) affecting pacparser. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability classified as problematic was found in pacparser up to 1.3.x. Affected by this vulnerability is the function pacparser_find_proxy of the file src/pacparser.c. The manipulation of the argument url leads to buffer overflow. Attacking locally is a requirement. Upgrading to version 1.4.0 is able to address this issue. The name of the patch is 853e8f45607cb07b877ffd270c63dbcdd5201ad9. It is recommended to upgrade the affected component

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 61%)
CISA exploited list	No
Weakness	CWE-119, CWE-120
Published	2022-12-13
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: pacparser project

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

Am I affected?

Timeline

2022-12-13 18:15 UTCPublished CVE record published
2026-06-17 02:31 UTCUpdated Record last modified

pacparser project pacparser UPGRADE

Affected: < 1.4.0

Fixed in: 1.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 1.4.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pacparser

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-2019-25078?

pacparser: upgrade to 1.4.0. Exact commands for each OS are on this page.

Is CVE-2019-25078 being exploited?

CVE-2019-25078 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-2019-25078 affect?

CVE-2019-25078 affects pacparser. Severity is medium (CVSS 5.3). A vulnerability classified as problematic was found in pacparser up to 1.3.x. Affected by this vulnerability is the function pacparser_find_proxy of the file src/pacparser.c. The manipulation of the argument url leads to buffer overflow. At

How urgent is CVE-2019-25078?

Priority 33/100. Public exploit reference

References

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